Home / 10,337.28-14,291.64-9,155.76

Finding the Fourth Proportional to 10,337.28, 14,291.64 and 9,155.76

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Solution

The fourth proportional to 10,337.28, 14,291.64 and 9,155.76 is: 12,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.28 : 14,291.64 = 9,155.76 : x
  2. Step 2: Convert to fraction form
    10,337.28/14,291.64 = 9,155.76/x
  3. Step 3: Cross multiply
    10,337.28x = 14,291.64 × 9,155.76
  4. Step 4: Simplify right side
    10,337.28x = 130,850,825.85
  5. Step 5: Solve for x
    x = 130,850,825.85/10,337.28
  6. Step 6: Final answer
    x = 12,658.15

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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.