Home / 19,677.68-29,491-7,984.52

Finding the Fourth Proportional to 19,677.68, 29,491 and 7,984.52

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Solution

The fourth proportional to 19,677.68, 29,491 and 7,984.52 is: 11,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.68 : 29,491 = 7,984.52 : x
  2. Step 2: Convert to fraction form
    19,677.68/29,491 = 7,984.52/x
  3. Step 3: Cross multiply
    19,677.68x = 29,491 × 7,984.52
  4. Step 4: Simplify right side
    19,677.68x = 235,471,479.32
  5. Step 5: Solve for x
    x = 235,471,479.32/19,677.68
  6. Step 6: Final answer
    x = 11,966.42

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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.