Home / 15,659.60-23,489.42-5,278.64

Finding the Fourth Proportional to 15,659.60, 23,489.42 and 5,278.64

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Solution

The fourth proportional to 15,659.60, 23,489.42 and 5,278.64 is: 7,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.60 : 23,489.42 = 5,278.64 : x
  2. Step 2: Convert to fraction form
    15,659.60/23,489.42 = 5,278.64/x
  3. Step 3: Cross multiply
    15,659.60x = 23,489.42 × 5,278.64
  4. Step 4: Simplify right side
    15,659.60x = 123,992,191.99
  5. Step 5: Solve for x
    x = 123,992,191.99/15,659.60
  6. Step 6: Final answer
    x = 7,917.97

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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.