Home / 17,685.12-26,527.68-8,423.04

Finding the Fourth Proportional to 17,685.12, 26,527.68 and 8,423.04

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Solution

The fourth proportional to 17,685.12, 26,527.68 and 8,423.04 is: 12,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.12 : 26,527.68 = 8,423.04 : x
  2. Step 2: Convert to fraction form
    17,685.12/26,527.68 = 8,423.04/x
  3. Step 3: Cross multiply
    17,685.12x = 26,527.68 × 8,423.04
  4. Step 4: Simplify right side
    17,685.12x = 223,443,709.75
  5. Step 5: Solve for x
    x = 223,443,709.75/17,685.12
  6. Step 6: Final answer
    x = 12,634.56

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Half scale
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Double scale
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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.