Home / 9,321.27-13,988.73-6,862.71

Finding the Fourth Proportional to 9,321.27, 13,988.73 and 6,862.71

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Solution

The fourth proportional to 9,321.27, 13,988.73 and 6,862.71 is: 10,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.27 : 13,988.73 = 6,862.71 : x
  2. Step 2: Convert to fraction form
    9,321.27/13,988.73 = 6,862.71/x
  3. Step 3: Cross multiply
    9,321.27x = 13,988.73 × 6,862.71
  4. Step 4: Simplify right side
    9,321.27x = 96,000,597.26
  5. Step 5: Solve for x
    x = 96,000,597.26/9,321.27
  6. Step 6: Final answer
    x = 10,299.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.