Home / 10,516.60-15,747.92-10,205.16

Finding the Fourth Proportional to 10,516.60, 15,747.92 and 10,205.16

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Solution

The fourth proportional to 10,516.60, 15,747.92 and 10,205.16 is: 15,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.60 : 15,747.92 = 10,205.16 : x
  2. Step 2: Convert to fraction form
    10,516.60/15,747.92 = 10,205.16/x
  3. Step 3: Cross multiply
    10,516.60x = 15,747.92 × 10,205.16
  4. Step 4: Simplify right side
    10,516.60x = 160,710,043.27
  5. Step 5: Solve for x
    x = 160,710,043.27/10,516.60
  6. Step 6: Final answer
    x = 15,281.56

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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.