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Finding the Fourth Proportional to 17,860.66, 24,651.12 and 10,311.88

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Solution

The fourth proportional to 17,860.66, 24,651.12 and 10,311.88 is: 14,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.66 : 24,651.12 = 10,311.88 : x
  2. Step 2: Convert to fraction form
    17,860.66/24,651.12 = 10,311.88/x
  3. Step 3: Cross multiply
    17,860.66x = 24,651.12 × 10,311.88
  4. Step 4: Simplify right side
    17,860.66x = 254,199,391.31
  5. Step 5: Solve for x
    x = 254,199,391.31/17,860.66
  6. Step 6: Final answer
    x = 14,232.36

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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.