Home / 12,397.03-18,609.42-8,245.18

Finding the Fourth Proportional to 12,397.03, 18,609.42 and 8,245.18

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Solution

The fourth proportional to 12,397.03, 18,609.42 and 8,245.18 is: 12,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.03 : 18,609.42 = 8,245.18 : x
  2. Step 2: Convert to fraction form
    12,397.03/18,609.42 = 8,245.18/x
  3. Step 3: Cross multiply
    12,397.03x = 18,609.42 × 8,245.18
  4. Step 4: Simplify right side
    12,397.03x = 153,437,943.91
  5. Step 5: Solve for x
    x = 153,437,943.91/12,397.03
  6. Step 6: Final answer
    x = 12,376.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.