Home / 16,389.20-22,617-8,937.04

Finding the Fourth Proportional to 16,389.20, 22,617 and 8,937.04

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Solution

The fourth proportional to 16,389.20, 22,617 and 8,937.04 is: 12,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.20 : 22,617 = 8,937.04 : x
  2. Step 2: Convert to fraction form
    16,389.20/22,617 = 8,937.04/x
  3. Step 3: Cross multiply
    16,389.20x = 22,617 × 8,937.04
  4. Step 4: Simplify right side
    16,389.20x = 202,129,033.68
  5. Step 5: Solve for x
    x = 202,129,033.68/16,389.20
  6. Step 6: Final answer
    x = 12,333.06

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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.