Home / 12,996.43-17,913.92-10,158.80

Finding the Fourth Proportional to 12,996.43, 17,913.92 and 10,158.80

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Solution

The fourth proportional to 12,996.43, 17,913.92 and 10,158.80 is: 14,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.43 : 17,913.92 = 10,158.80 : x
  2. Step 2: Convert to fraction form
    12,996.43/17,913.92 = 10,158.80/x
  3. Step 3: Cross multiply
    12,996.43x = 17,913.92 × 10,158.80
  4. Step 4: Simplify right side
    12,996.43x = 181,983,790.13
  5. Step 5: Solve for x
    x = 181,983,790.13/12,996.43
  6. Step 6: Final answer
    x = 14,002.60

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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.