Home / 9,321.27-12,863.65-5,343.13

Finding the Fourth Proportional to 9,321.27, 12,863.65 and 5,343.13

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Solution

The fourth proportional to 9,321.27, 12,863.65 and 5,343.13 is: 7,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.27 : 12,863.65 = 5,343.13 : x
  2. Step 2: Convert to fraction form
    9,321.27/12,863.65 = 5,343.13/x
  3. Step 3: Cross multiply
    9,321.27x = 12,863.65 × 5,343.13
  4. Step 4: Simplify right side
    9,321.27x = 68,732,154.22
  5. Step 5: Solve for x
    x = 68,732,154.22/9,321.27
  6. Step 6: Final answer
    x = 7,373.69

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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.