Home / 9,539.38-13,164.42-5,347.63

Finding the Fourth Proportional to 9,539.38, 13,164.42 and 5,347.63

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Solution

The fourth proportional to 9,539.38, 13,164.42 and 5,347.63 is: 7,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.38 : 13,164.42 = 5,347.63 : x
  2. Step 2: Convert to fraction form
    9,539.38/13,164.42 = 5,347.63/x
  3. Step 3: Cross multiply
    9,539.38x = 13,164.42 × 5,347.63
  4. Step 4: Simplify right side
    9,539.38x = 70,398,447.32
  5. Step 5: Solve for x
    x = 70,398,447.32/9,539.38
  6. Step 6: Final answer
    x = 7,379.77

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Half scale
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Double scale
Find fourth proportional to 9,540.38, 13,165.80 and 5,348.63
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.