Home / 13,376.88-20,065.28-4,016.87

Finding the Fourth Proportional to 13,376.88, 20,065.28 and 4,016.87

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Solution

The fourth proportional to 13,376.88, 20,065.28 and 4,016.87 is: 6,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.88 : 20,065.28 = 4,016.87 : x
  2. Step 2: Convert to fraction form
    13,376.88/20,065.28 = 4,016.87/x
  3. Step 3: Cross multiply
    13,376.88x = 20,065.28 × 4,016.87
  4. Step 4: Simplify right side
    13,376.88x = 80,599,576.11
  5. Step 5: Solve for x
    x = 80,599,576.11/13,376.88
  6. Step 6: Final answer
    x = 6,025.29

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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.