Home / 12,613.02-17,405.18-7,306.92

Finding the Fourth Proportional to 12,613.02, 17,405.18 and 7,306.92

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Solution

The fourth proportional to 12,613.02, 17,405.18 and 7,306.92 is: 10,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.02 : 17,405.18 = 7,306.92 : x
  2. Step 2: Convert to fraction form
    12,613.02/17,405.18 = 7,306.92/x
  3. Step 3: Cross multiply
    12,613.02x = 17,405.18 × 7,306.92
  4. Step 4: Simplify right side
    12,613.02x = 127,178,257.85
  5. Step 5: Solve for x
    x = 127,178,257.85/12,613.02
  6. Step 6: Final answer
    x = 10,083.09

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Double scale
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Similar ratio
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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.