Home / 42,358.08-63,537.36-11,193

Finding the Fourth Proportional to 42,358.08, 63,537.36 and 11,193

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Solution

The fourth proportional to 42,358.08, 63,537.36 and 11,193 is: 16,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.08 : 63,537.36 = 11,193 : x
  2. Step 2: Convert to fraction form
    42,358.08/63,537.36 = 11,193/x
  3. Step 3: Cross multiply
    42,358.08x = 63,537.36 × 11,193
  4. Step 4: Simplify right side
    42,358.08x = 711,173,670.48
  5. Step 5: Solve for x
    x = 711,173,670.48/42,358.08
  6. Step 6: Final answer
    x = 16,789.56

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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.