Home / 42,267.68-63,396.72-11,105.36

Finding the Fourth Proportional to 42,267.68, 63,396.72 and 11,105.36

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Solution

The fourth proportional to 42,267.68, 63,396.72 and 11,105.36 is: 16,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.68 : 63,396.72 = 11,105.36 : x
  2. Step 2: Convert to fraction form
    42,267.68/63,396.72 = 11,105.36/x
  3. Step 3: Cross multiply
    42,267.68x = 63,396.72 × 11,105.36
  4. Step 4: Simplify right side
    42,267.68x = 704,043,398.42
  5. Step 5: Solve for x
    x = 704,043,398.42/42,267.68
  6. Step 6: Final answer
    x = 16,656.78

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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.