Home / 42,177.88-63,266.82-11,012.86

Finding the Fourth Proportional to 42,177.88, 63,266.82 and 11,012.86

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Solution

The fourth proportional to 42,177.88, 63,266.82 and 11,012.86 is: 16,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177.88 : 63,266.82 = 11,012.86 : x
  2. Step 2: Convert to fraction form
    42,177.88/63,266.82 = 11,012.86/x
  3. Step 3: Cross multiply
    42,177.88x = 63,266.82 × 11,012.86
  4. Step 4: Simplify right side
    42,177.88x = 696,748,631.31
  5. Step 5: Solve for x
    x = 696,748,631.31/42,177.88
  6. Step 6: Final answer
    x = 16,519.29

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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.