Home / 13,755.04-18,972.24-8,452.84

Finding the Fourth Proportional to 13,755.04, 18,972.24 and 8,452.84

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Solution

The fourth proportional to 13,755.04, 18,972.24 and 8,452.84 is: 11,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.04 : 18,972.24 = 8,452.84 : x
  2. Step 2: Convert to fraction form
    13,755.04/18,972.24 = 8,452.84/x
  3. Step 3: Cross multiply
    13,755.04x = 18,972.24 × 8,452.84
  4. Step 4: Simplify right side
    13,755.04x = 160,369,309.16
  5. Step 5: Solve for x
    x = 160,369,309.16/13,755.04
  6. Step 6: Final answer
    x = 11,658.95

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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.