Home / 13,732.78-18,951.68-7,600.55

Finding the Fourth Proportional to 13,732.78, 18,951.68 and 7,600.55

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Solution

The fourth proportional to 13,732.78, 18,951.68 and 7,600.55 is: 10,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.78 : 18,951.68 = 7,600.55 : x
  2. Step 2: Convert to fraction form
    13,732.78/18,951.68 = 7,600.55/x
  3. Step 3: Cross multiply
    13,732.78x = 18,951.68 × 7,600.55
  4. Step 4: Simplify right side
    13,732.78x = 144,043,191.42
  5. Step 5: Solve for x
    x = 144,043,191.42/13,732.78
  6. Step 6: Final answer
    x = 10,489.00

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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.