Home / 12,407.23-18,613.50-6,170.59

Finding the Fourth Proportional to 12,407.23, 18,613.50 and 6,170.59

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Solution

The fourth proportional to 12,407.23, 18,613.50 and 6,170.59 is: 9,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.23 : 18,613.50 = 6,170.59 : x
  2. Step 2: Convert to fraction form
    12,407.23/18,613.50 = 6,170.59/x
  3. Step 3: Cross multiply
    12,407.23x = 18,613.50 × 6,170.59
  4. Step 4: Simplify right side
    12,407.23x = 114,856,276.97
  5. Step 5: Solve for x
    x = 114,856,276.97/12,407.23
  6. Step 6: Final answer
    x = 9,257.21

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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.