Home / 19,474.52-29,232.56-8,386.68

Finding the Fourth Proportional to 19,474.52, 29,232.56 and 8,386.68

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Solution

The fourth proportional to 19,474.52, 29,232.56 and 8,386.68 is: 12,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.52 : 29,232.56 = 8,386.68 : x
  2. Step 2: Convert to fraction form
    19,474.52/29,232.56 = 8,386.68/x
  3. Step 3: Cross multiply
    19,474.52x = 29,232.56 × 8,386.68
  4. Step 4: Simplify right side
    19,474.52x = 245,164,126.30
  5. Step 5: Solve for x
    x = 245,164,126.30/19,474.52
  6. Step 6: Final answer
    x = 12,588.97

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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.