Home / 13,614.27-18,788.11-7,646.06

Finding the Fourth Proportional to 13,614.27, 18,788.11 and 7,646.06

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Solution

The fourth proportional to 13,614.27, 18,788.11 and 7,646.06 is: 10,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.27 : 18,788.11 = 7,646.06 : x
  2. Step 2: Convert to fraction form
    13,614.27/18,788.11 = 7,646.06/x
  3. Step 3: Cross multiply
    13,614.27x = 18,788.11 × 7,646.06
  4. Step 4: Simplify right side
    13,614.27x = 143,654,978.12
  5. Step 5: Solve for x
    x = 143,654,978.12/13,614.27
  6. Step 6: Final answer
    x = 10,551.80

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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.