Home / 11,370.33-15,691.08-6,591.20

Finding the Fourth Proportional to 11,370.33, 15,691.08 and 6,591.20

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Solution

The fourth proportional to 11,370.33, 15,691.08 and 6,591.20 is: 9,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.33 : 15,691.08 = 6,591.20 : x
  2. Step 2: Convert to fraction form
    11,370.33/15,691.08 = 6,591.20/x
  3. Step 3: Cross multiply
    11,370.33x = 15,691.08 × 6,591.20
  4. Step 4: Simplify right side
    11,370.33x = 103,422,968.04
  5. Step 5: Solve for x
    x = 103,422,968.04/11,370.33
  6. Step 6: Final answer
    x = 9,095.86

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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.