Home / 13,387.28-20,081.90-4,026.53

Finding the Fourth Proportional to 13,387.28, 20,081.90 and 4,026.53

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Solution

The fourth proportional to 13,387.28, 20,081.90 and 4,026.53 is: 6,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.28 : 20,081.90 = 4,026.53 : x
  2. Step 2: Convert to fraction form
    13,387.28/20,081.90 = 4,026.53/x
  3. Step 3: Cross multiply
    13,387.28x = 20,081.90 × 4,026.53
  4. Step 4: Simplify right side
    13,387.28x = 80,860,433.08
  5. Step 5: Solve for x
    x = 80,860,433.08/13,387.28
  6. Step 6: Final answer
    x = 6,040.10

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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.