Home / 42,357.84-63,535.68-11,193.36

Finding the Fourth Proportional to 42,357.84, 63,535.68 and 11,193.36

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Solution

The fourth proportional to 42,357.84, 63,535.68 and 11,193.36 is: 16,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,357.84 : 63,535.68 = 11,193.36 : x
  2. Step 2: Convert to fraction form
    42,357.84/63,535.68 = 11,193.36/x
  3. Step 3: Cross multiply
    42,357.84x = 63,535.68 × 11,193.36
  4. Step 4: Simplify right side
    42,357.84x = 711,177,925.91
  5. Step 5: Solve for x
    x = 711,177,925.91/42,357.84
  6. Step 6: Final answer
    x = 16,789.76

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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.