Home / 15,659.46-21,609.62-8,944.95

Finding the Fourth Proportional to 15,659.46, 21,609.62 and 8,944.95

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Solution

The fourth proportional to 15,659.46, 21,609.62 and 8,944.95 is: 12,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.46 : 21,609.62 = 8,944.95 : x
  2. Step 2: Convert to fraction form
    15,659.46/21,609.62 = 8,944.95/x
  3. Step 3: Cross multiply
    15,659.46x = 21,609.62 × 8,944.95
  4. Step 4: Simplify right side
    15,659.46x = 193,296,925.69
  5. Step 5: Solve for x
    x = 193,296,925.69/15,659.46
  6. Step 6: Final answer
    x = 12,343.78

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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.