Home / 12,932.78-19,390.68-6,267.52

Finding the Fourth Proportional to 12,932.78, 19,390.68 and 6,267.52

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Solution

The fourth proportional to 12,932.78, 19,390.68 and 6,267.52 is: 9,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.78 : 19,390.68 = 6,267.52 : x
  2. Step 2: Convert to fraction form
    12,932.78/19,390.68 = 6,267.52/x
  3. Step 3: Cross multiply
    12,932.78x = 19,390.68 × 6,267.52
  4. Step 4: Simplify right side
    12,932.78x = 121,531,474.71
  5. Step 5: Solve for x
    x = 121,531,474.71/12,932.78
  6. Step 6: Final answer
    x = 9,397.17

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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.