Home / 12,613.19-17,408.23-7,311.06

Finding the Fourth Proportional to 12,613.19, 17,408.23 and 7,311.06

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Solution

The fourth proportional to 12,613.19, 17,408.23 and 7,311.06 is: 10,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.19 : 17,408.23 = 7,311.06 : x
  2. Step 2: Convert to fraction form
    12,613.19/17,408.23 = 7,311.06/x
  3. Step 3: Cross multiply
    12,613.19x = 17,408.23 × 7,311.06
  4. Step 4: Simplify right side
    12,613.19x = 127,272,595.75
  5. Step 5: Solve for x
    x = 127,272,595.75/12,613.19
  6. Step 6: Final answer
    x = 10,090.44

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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.