Home / 42,177.59-63,265.15-11,012.84

Finding the Fourth Proportional to 42,177.59, 63,265.15 and 11,012.84

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Solution

The fourth proportional to 42,177.59, 63,265.15 and 11,012.84 is: 16,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177.59 : 63,265.15 = 11,012.84 : x
  2. Step 2: Convert to fraction form
    42,177.59/63,265.15 = 11,012.84/x
  3. Step 3: Cross multiply
    42,177.59x = 63,265.15 × 11,012.84
  4. Step 4: Simplify right side
    42,177.59x = 696,728,974.53
  5. Step 5: Solve for x
    x = 696,728,974.53/42,177.59
  6. Step 6: Final answer
    x = 16,518.94

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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.