Home / 10,330.74-15,489.36-4,091.58

Finding the Fourth Proportional to 10,330.74, 15,489.36 and 4,091.58

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Solution

The fourth proportional to 10,330.74, 15,489.36 and 4,091.58 is: 6,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.74 : 15,489.36 = 4,091.58 : x
  2. Step 2: Convert to fraction form
    10,330.74/15,489.36 = 4,091.58/x
  3. Step 3: Cross multiply
    10,330.74x = 15,489.36 × 4,091.58
  4. Step 4: Simplify right side
    10,330.74x = 63,375,955.59
  5. Step 5: Solve for x
    x = 63,375,955.59/10,330.74
  6. Step 6: Final answer
    x = 6,134.70

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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.