Home / 9,742.17-14,613.12-9,119.55

Finding the Fourth Proportional to 9,742.17, 14,613.12 and 9,119.55

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Solution

The fourth proportional to 9,742.17, 14,613.12 and 9,119.55 is: 13,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.17 : 14,613.12 = 9,119.55 : x
  2. Step 2: Convert to fraction form
    9,742.17/14,613.12 = 9,119.55/x
  3. Step 3: Cross multiply
    9,742.17x = 14,613.12 × 9,119.55
  4. Step 4: Simplify right side
    9,742.17x = 133,265,078.50
  5. Step 5: Solve for x
    x = 133,265,078.50/9,742.17
  6. Step 6: Final answer
    x = 13,679.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.