Home / 19,435.17-29,136.15-8,901.66

Finding the Fourth Proportional to 19,435.17, 29,136.15 and 8,901.66

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Solution

The fourth proportional to 19,435.17, 29,136.15 and 8,901.66 is: 13,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.17 : 29,136.15 = 8,901.66 : x
  2. Step 2: Convert to fraction form
    19,435.17/29,136.15 = 8,901.66/x
  3. Step 3: Cross multiply
    19,435.17x = 29,136.15 × 8,901.66
  4. Step 4: Simplify right side
    19,435.17x = 259,360,101.01
  5. Step 5: Solve for x
    x = 259,360,101.01/19,435.17
  6. Step 6: Final answer
    x = 13,344.88

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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.