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Finding the Fourth Proportional to 16,697.28, 25,071.28 and 10,495.92

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Solution

The fourth proportional to 16,697.28, 25,071.28 and 10,495.92 is: 15,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.28 : 25,071.28 = 10,495.92 : x
  2. Step 2: Convert to fraction form
    16,697.28/25,071.28 = 10,495.92/x
  3. Step 3: Cross multiply
    16,697.28x = 25,071.28 × 10,495.92
  4. Step 4: Simplify right side
    16,697.28x = 263,146,149.18
  5. Step 5: Solve for x
    x = 263,146,149.18/16,697.28
  6. Step 6: Final answer
    x = 15,759.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.