Home / 14,902.13-20,565.39-8,187.96

Finding the Fourth Proportional to 14,902.13, 20,565.39 and 8,187.96

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Solution

The fourth proportional to 14,902.13, 20,565.39 and 8,187.96 is: 11,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.13 : 20,565.39 = 8,187.96 : x
  2. Step 2: Convert to fraction form
    14,902.13/20,565.39 = 8,187.96/x
  3. Step 3: Cross multiply
    14,902.13x = 20,565.39 × 8,187.96
  4. Step 4: Simplify right side
    14,902.13x = 168,388,640.69
  5. Step 5: Solve for x
    x = 168,388,640.69/14,902.13
  6. Step 6: Final answer
    x = 11,299.64

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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.