Home / 9,821.10-13,553.13-5,344.89

Finding the Fourth Proportional to 9,821.10, 13,553.13 and 5,344.89

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Solution

The fourth proportional to 9,821.10, 13,553.13 and 5,344.89 is: 7,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.10 : 13,553.13 = 5,344.89 : x
  2. Step 2: Convert to fraction form
    9,821.10/13,553.13 = 5,344.89/x
  3. Step 3: Cross multiply
    9,821.10x = 13,553.13 × 5,344.89
  4. Step 4: Simplify right side
    9,821.10x = 72,439,989.01
  5. Step 5: Solve for x
    x = 72,439,989.01/9,821.10
  6. Step 6: Final answer
    x = 7,375.95

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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.