Home / 14,902.88-20,565.68-8,188.34

Finding the Fourth Proportional to 14,902.88, 20,565.68 and 8,188.34

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Solution

The fourth proportional to 14,902.88, 20,565.68 and 8,188.34 is: 11,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.88 : 20,565.68 = 8,188.34 : x
  2. Step 2: Convert to fraction form
    14,902.88/20,565.68 = 8,188.34/x
  3. Step 3: Cross multiply
    14,902.88x = 20,565.68 × 8,188.34
  4. Step 4: Simplify right side
    14,902.88x = 168,398,780.17
  5. Step 5: Solve for x
    x = 168,398,780.17/14,902.88
  6. Step 6: Final answer
    x = 11,299.75

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Double scale
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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.