Home / 42,459.64-63,689.55-11,294.89

Finding the Fourth Proportional to 42,459.64, 63,689.55 and 11,294.89

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Solution

The fourth proportional to 42,459.64, 63,689.55 and 11,294.89 is: 16,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.64 : 63,689.55 = 11,294.89 : x
  2. Step 2: Convert to fraction form
    42,459.64/63,689.55 = 11,294.89/x
  3. Step 3: Cross multiply
    42,459.64x = 63,689.55 × 11,294.89
  4. Step 4: Simplify right side
    42,459.64x = 719,366,461.40
  5. Step 5: Solve for x
    x = 719,366,461.40/42,459.64
  6. Step 6: Final answer
    x = 16,942.36

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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.