Home / 19,572.09-29,358.15-8,324.52

Finding the Fourth Proportional to 19,572.09, 29,358.15 and 8,324.52

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Solution

The fourth proportional to 19,572.09, 29,358.15 and 8,324.52 is: 12,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.09 : 29,358.15 = 8,324.52 : x
  2. Step 2: Convert to fraction form
    19,572.09/29,358.15 = 8,324.52/x
  3. Step 3: Cross multiply
    19,572.09x = 29,358.15 × 8,324.52
  4. Step 4: Simplify right side
    19,572.09x = 244,392,506.84
  5. Step 5: Solve for x
    x = 244,392,506.84/19,572.09
  6. Step 6: Final answer
    x = 12,486.79

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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.