Home / 15,822.85-21,836.10-9,452.20

Finding the Fourth Proportional to 15,822.85, 21,836.10 and 9,452.20

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Solution

The fourth proportional to 15,822.85, 21,836.10 and 9,452.20 is: 13,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.85 : 21,836.10 = 9,452.20 : x
  2. Step 2: Convert to fraction form
    15,822.85/21,836.10 = 9,452.20/x
  3. Step 3: Cross multiply
    15,822.85x = 21,836.10 × 9,452.20
  4. Step 4: Simplify right side
    15,822.85x = 206,399,184.42
  5. Step 5: Solve for x
    x = 206,399,184.42/15,822.85
  6. Step 6: Final answer
    x = 13,044.37

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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.