Home / 15,526.85-23,218.74-11,531.79

Finding the Fourth Proportional to 15,526.85, 23,218.74 and 11,531.79

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Solution

The fourth proportional to 15,526.85, 23,218.74 and 11,531.79 is: 17,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.85 : 23,218.74 = 11,531.79 : x
  2. Step 2: Convert to fraction form
    15,526.85/23,218.74 = 11,531.79/x
  3. Step 3: Cross multiply
    15,526.85x = 23,218.74 × 11,531.79
  4. Step 4: Simplify right side
    15,526.85x = 267,753,633.74
  5. Step 5: Solve for x
    x = 267,753,633.74/15,526.85
  6. Step 6: Final answer
    x = 17,244.56

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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.