Home / 17,387.76-23,977.05-14,878.18

Finding the Fourth Proportional to 17,387.76, 23,977.05 and 14,878.18

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Solution

The fourth proportional to 17,387.76, 23,977.05 and 14,878.18 is: 20,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.76 : 23,977.05 = 14,878.18 : x
  2. Step 2: Convert to fraction form
    17,387.76/23,977.05 = 14,878.18/x
  3. Step 3: Cross multiply
    17,387.76x = 23,977.05 × 14,878.18
  4. Step 4: Simplify right side
    17,387.76x = 356,734,839.95
  5. Step 5: Solve for x
    x = 356,734,839.95/17,387.76
  6. Step 6: Final answer
    x = 20,516.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.