Home / 13,214.48-18,235.83-7,246.13

Finding the Fourth Proportional to 13,214.48, 18,235.83 and 7,246.13

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Solution

The fourth proportional to 13,214.48, 18,235.83 and 7,246.13 is: 9,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.48 : 18,235.83 = 7,246.13 : x
  2. Step 2: Convert to fraction form
    13,214.48/18,235.83 = 7,246.13/x
  3. Step 3: Cross multiply
    13,214.48x = 18,235.83 × 7,246.13
  4. Step 4: Simplify right side
    13,214.48x = 132,139,103.66
  5. Step 5: Solve for x
    x = 132,139,103.66/13,214.48
  6. Step 6: Final answer
    x = 9,999.57

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Double scale
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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.