Home / 19,549.52-29,330.49-6,398.90

Finding the Fourth Proportional to 19,549.52, 29,330.49 and 6,398.90

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Solution

The fourth proportional to 19,549.52, 29,330.49 and 6,398.90 is: 9,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.52 : 29,330.49 = 6,398.90 : x
  2. Step 2: Convert to fraction form
    19,549.52/29,330.49 = 6,398.90/x
  3. Step 3: Cross multiply
    19,549.52x = 29,330.49 × 6,398.90
  4. Step 4: Simplify right side
    19,549.52x = 187,682,872.46
  5. Step 5: Solve for x
    x = 187,682,872.46/19,549.52
  6. Step 6: Final answer
    x = 9,600.38

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1.5x scale

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.