Home / 42,604.40-63,906.28-11,011.76

Finding the Fourth Proportional to 42,604.40, 63,906.28 and 11,011.76

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Solution

The fourth proportional to 42,604.40, 63,906.28 and 11,011.76 is: 16,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604.40 : 63,906.28 = 11,011.76 : x
  2. Step 2: Convert to fraction form
    42,604.40/63,906.28 = 11,011.76/x
  3. Step 3: Cross multiply
    42,604.40x = 63,906.28 × 11,011.76
  4. Step 4: Simplify right side
    42,604.40x = 703,720,617.85
  5. Step 5: Solve for x
    x = 703,720,617.85/42,604.40
  6. Step 6: Final answer
    x = 16,517.56

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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.