Home / 9,140.83-13,633.26-8,982.88

Finding the Fourth Proportional to 9,140.83, 13,633.26 and 8,982.88

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Solution

The fourth proportional to 9,140.83, 13,633.26 and 8,982.88 is: 13,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.83 : 13,633.26 = 8,982.88 : x
  2. Step 2: Convert to fraction form
    9,140.83/13,633.26 = 8,982.88/x
  3. Step 3: Cross multiply
    9,140.83x = 13,633.26 × 8,982.88
  4. Step 4: Simplify right side
    9,140.83x = 122,465,938.59
  5. Step 5: Solve for x
    x = 122,465,938.59/9,140.83
  6. Step 6: Final answer
    x = 13,397.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.