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Finding the Fourth Proportional to 17,801.10, 26,701.65 and 8,585.10

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Solution

The fourth proportional to 17,801.10, 26,701.65 and 8,585.10 is: 12,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.10 : 26,701.65 = 8,585.10 : x
  2. Step 2: Convert to fraction form
    17,801.10/26,701.65 = 8,585.10/x
  3. Step 3: Cross multiply
    17,801.10x = 26,701.65 × 8,585.10
  4. Step 4: Simplify right side
    17,801.10x = 229,236,335.42
  5. Step 5: Solve for x
    x = 229,236,335.42/17,801.10
  6. Step 6: Final answer
    x = 12,877.65

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Similar ratio
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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.