Home / 12,344.40-18,516.60-3,459.71

Finding the Fourth Proportional to 12,344.40, 18,516.60 and 3,459.71

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Solution

The fourth proportional to 12,344.40, 18,516.60 and 3,459.71 is: 5,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.40 : 18,516.60 = 3,459.71 : x
  2. Step 2: Convert to fraction form
    12,344.40/18,516.60 = 3,459.71/x
  3. Step 3: Cross multiply
    12,344.40x = 18,516.60 × 3,459.71
  4. Step 4: Simplify right side
    12,344.40x = 64,062,112.48
  5. Step 5: Solve for x
    x = 64,062,112.48/12,344.40
  6. Step 6: Final answer
    x = 5,189.57

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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.