Home / 15,027.59-20,740.55-8,743.61

Finding the Fourth Proportional to 15,027.59, 20,740.55 and 8,743.61

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Solution

The fourth proportional to 15,027.59, 20,740.55 and 8,743.61 is: 12,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.59 : 20,740.55 = 8,743.61 : x
  2. Step 2: Convert to fraction form
    15,027.59/20,740.55 = 8,743.61/x
  3. Step 3: Cross multiply
    15,027.59x = 20,740.55 × 8,743.61
  4. Step 4: Simplify right side
    15,027.59x = 181,347,236.67
  5. Step 5: Solve for x
    x = 181,347,236.67/15,027.59
  6. Step 6: Final answer
    x = 12,067.62

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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.