Home / 19,398.88-29,086.17-8,299.45

Finding the Fourth Proportional to 19,398.88, 29,086.17 and 8,299.45

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Solution

The fourth proportional to 19,398.88, 29,086.17 and 8,299.45 is: 12,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.88 : 29,086.17 = 8,299.45 : x
  2. Step 2: Convert to fraction form
    19,398.88/29,086.17 = 8,299.45/x
  3. Step 3: Cross multiply
    19,398.88x = 29,086.17 × 8,299.45
  4. Step 4: Simplify right side
    19,398.88x = 241,399,213.61
  5. Step 5: Solve for x
    x = 241,399,213.61/19,398.88
  6. Step 6: Final answer
    x = 12,443.98

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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.