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Finding the Fourth Proportional to 16,057.52, 22,159.40 and 8,984.08

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Solution

The fourth proportional to 16,057.52, 22,159.40 and 8,984.08 is: 12,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,057.52 : 22,159.40 = 8,984.08 : x
  2. Step 2: Convert to fraction form
    16,057.52/22,159.40 = 8,984.08/x
  3. Step 3: Cross multiply
    16,057.52x = 22,159.40 × 8,984.08
  4. Step 4: Simplify right side
    16,057.52x = 199,081,822.35
  5. Step 5: Solve for x
    x = 199,081,822.35/16,057.52
  6. Step 6: Final answer
    x = 12,398.04

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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.