Home / 10,198.06-14,092.68-8,685.40

Finding the Fourth Proportional to 10,198.06, 14,092.68 and 8,685.40

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Solution

The fourth proportional to 10,198.06, 14,092.68 and 8,685.40 is: 12,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.06 : 14,092.68 = 8,685.40 : x
  2. Step 2: Convert to fraction form
    10,198.06/14,092.68 = 8,685.40/x
  3. Step 3: Cross multiply
    10,198.06x = 14,092.68 × 8,685.40
  4. Step 4: Simplify right side
    10,198.06x = 122,400,562.87
  5. Step 5: Solve for x
    x = 122,400,562.87/10,198.06
  6. Step 6: Final answer
    x = 12,002.34

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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.