Home / 13,343.54-20,015.91-4,459.66

Finding the Fourth Proportional to 13,343.54, 20,015.91 and 4,459.66

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Solution

The fourth proportional to 13,343.54, 20,015.91 and 4,459.66 is: 6,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.54 : 20,015.91 = 4,459.66 : x
  2. Step 2: Convert to fraction form
    13,343.54/20,015.91 = 4,459.66/x
  3. Step 3: Cross multiply
    13,343.54x = 20,015.91 × 4,459.66
  4. Step 4: Simplify right side
    13,343.54x = 89,264,103.15
  5. Step 5: Solve for x
    x = 89,264,103.15/13,343.54
  6. Step 6: Final answer
    x = 6,689.69

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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.