Home / 15,146.24-20,901.50-9,484.11

Finding the Fourth Proportional to 15,146.24, 20,901.50 and 9,484.11

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Solution

The fourth proportional to 15,146.24, 20,901.50 and 9,484.11 is: 13,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.24 : 20,901.50 = 9,484.11 : x
  2. Step 2: Convert to fraction form
    15,146.24/20,901.50 = 9,484.11/x
  3. Step 3: Cross multiply
    15,146.24x = 20,901.50 × 9,484.11
  4. Step 4: Simplify right side
    15,146.24x = 198,232,125.17
  5. Step 5: Solve for x
    x = 198,232,125.17/15,146.24
  6. Step 6: Final answer
    x = 13,087.88

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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.