Home / 13,295.38-18,348.44-7,327.05

Finding the Fourth Proportional to 13,295.38, 18,348.44 and 7,327.05

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Solution

The fourth proportional to 13,295.38, 18,348.44 and 7,327.05 is: 10,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.38 : 18,348.44 = 7,327.05 : x
  2. Step 2: Convert to fraction form
    13,295.38/18,348.44 = 7,327.05/x
  3. Step 3: Cross multiply
    13,295.38x = 18,348.44 × 7,327.05
  4. Step 4: Simplify right side
    13,295.38x = 134,439,937.30
  5. Step 5: Solve for x
    x = 134,439,937.30/13,295.38
  6. Step 6: Final answer
    x = 10,111.78

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Half scale
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Double scale
Find fourth proportional to 13,296.38, 18,349.82 and 7,328.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.