Home / 42,398.88-63,599.55-11,234.13

Finding the Fourth Proportional to 42,398.88, 63,599.55 and 11,234.13

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Solution

The fourth proportional to 42,398.88, 63,599.55 and 11,234.13 is: 16,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398.88 : 63,599.55 = 11,234.13 : x
  2. Step 2: Convert to fraction form
    42,398.88/63,599.55 = 11,234.13/x
  3. Step 3: Cross multiply
    42,398.88x = 63,599.55 × 11,234.13
  4. Step 4: Simplify right side
    42,398.88x = 714,485,612.64
  5. Step 5: Solve for x
    x = 714,485,612.64/42,398.88
  6. Step 6: Final answer
    x = 16,851.52

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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.