Home / 11,541.44-17,290.40-5,691.20

Finding the Fourth Proportional to 11,541.44, 17,290.40 and 5,691.20

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Solution

The fourth proportional to 11,541.44, 17,290.40 and 5,691.20 is: 8,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.44 : 17,290.40 = 5,691.20 : x
  2. Step 2: Convert to fraction form
    11,541.44/17,290.40 = 5,691.20/x
  3. Step 3: Cross multiply
    11,541.44x = 17,290.40 × 5,691.20
  4. Step 4: Simplify right side
    11,541.44x = 98,403,124.48
  5. Step 5: Solve for x
    x = 98,403,124.48/11,541.44
  6. Step 6: Final answer
    x = 8,526.07

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1.5x scale

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.