Home / 14,617.13-20,171.84-9,310.82

Finding the Fourth Proportional to 14,617.13, 20,171.84 and 9,310.82

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Solution

The fourth proportional to 14,617.13, 20,171.84 and 9,310.82 is: 12,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.13 : 20,171.84 = 9,310.82 : x
  2. Step 2: Convert to fraction form
    14,617.13/20,171.84 = 9,310.82/x
  3. Step 3: Cross multiply
    14,617.13x = 20,171.84 × 9,310.82
  4. Step 4: Simplify right side
    14,617.13x = 187,816,223.90
  5. Step 5: Solve for x
    x = 187,816,223.90/14,617.13
  6. Step 6: Final answer
    x = 12,849.05

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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.