Home / 13,669.28-18,864.17-7,701.30

Finding the Fourth Proportional to 13,669.28, 18,864.17 and 7,701.30

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Solution

The fourth proportional to 13,669.28, 18,864.17 and 7,701.30 is: 10,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.28 : 18,864.17 = 7,701.30 : x
  2. Step 2: Convert to fraction form
    13,669.28/18,864.17 = 7,701.30/x
  3. Step 3: Cross multiply
    13,669.28x = 18,864.17 × 7,701.30
  4. Step 4: Simplify right side
    13,669.28x = 145,278,593.91
  5. Step 5: Solve for x
    x = 145,278,593.91/13,669.28
  6. Step 6: Final answer
    x = 10,628.11

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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.