Home / 13,344.66-20,019.42-4,459.15

Finding the Fourth Proportional to 13,344.66, 20,019.42 and 4,459.15

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Solution

The fourth proportional to 13,344.66, 20,019.42 and 4,459.15 is: 6,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.66 : 20,019.42 = 4,459.15 : x
  2. Step 2: Convert to fraction form
    13,344.66/20,019.42 = 4,459.15/x
  3. Step 3: Cross multiply
    13,344.66x = 20,019.42 × 4,459.15
  4. Step 4: Simplify right side
    13,344.66x = 89,269,496.60
  5. Step 5: Solve for x
    x = 89,269,496.60/13,344.66
  6. Step 6: Final answer
    x = 6,689.53

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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.