Home / 12,349.46-17,034.05-8,814.66

Finding the Fourth Proportional to 12,349.46, 17,034.05 and 8,814.66

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Solution

The fourth proportional to 12,349.46, 17,034.05 and 8,814.66 is: 12,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.46 : 17,034.05 = 8,814.66 : x
  2. Step 2: Convert to fraction form
    12,349.46/17,034.05 = 8,814.66/x
  3. Step 3: Cross multiply
    12,349.46x = 17,034.05 × 8,814.66
  4. Step 4: Simplify right side
    12,349.46x = 150,149,359.17
  5. Step 5: Solve for x
    x = 150,149,359.17/12,349.46
  6. Step 6: Final answer
    x = 12,158.37

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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.