Home / 15,334.10-21,177.12-10,566.44

Finding the Fourth Proportional to 15,334.10, 21,177.12 and 10,566.44

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Solution

The fourth proportional to 15,334.10, 21,177.12 and 10,566.44 is: 14,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.10 : 21,177.12 = 10,566.44 : x
  2. Step 2: Convert to fraction form
    15,334.10/21,177.12 = 10,566.44/x
  3. Step 3: Cross multiply
    15,334.10x = 21,177.12 × 10,566.44
  4. Step 4: Simplify right side
    15,334.10x = 223,766,860.42
  5. Step 5: Solve for x
    x = 223,766,860.42/15,334.10
  6. Step 6: Final answer
    x = 14,592.76

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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.