Home / 11,370.71-15,691.61-6,591.58

Finding the Fourth Proportional to 11,370.71, 15,691.61 and 6,591.58

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Solution

The fourth proportional to 11,370.71, 15,691.61 and 6,591.58 is: 9,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.71 : 15,691.61 = 6,591.58 : x
  2. Step 2: Convert to fraction form
    11,370.71/15,691.61 = 6,591.58/x
  3. Step 3: Cross multiply
    11,370.71x = 15,691.61 × 6,591.58
  4. Step 4: Simplify right side
    11,370.71x = 103,432,502.64
  5. Step 5: Solve for x
    x = 103,432,502.64/11,370.71
  6. Step 6: Final answer
    x = 9,096.40

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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.