Home / 16,862.55-23,271.11-9,694.80

Finding the Fourth Proportional to 16,862.55, 23,271.11 and 9,694.80

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Solution

The fourth proportional to 16,862.55, 23,271.11 and 9,694.80 is: 13,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.55 : 23,271.11 = 9,694.80 : x
  2. Step 2: Convert to fraction form
    16,862.55/23,271.11 = 9,694.80/x
  3. Step 3: Cross multiply
    16,862.55x = 23,271.11 × 9,694.80
  4. Step 4: Simplify right side
    16,862.55x = 225,608,708.75
  5. Step 5: Solve for x
    x = 225,608,708.75/16,862.55
  6. Step 6: Final answer
    x = 13,379.28

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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.