Home / 13,167.28-19,750.92-5,376.70

Finding the Fourth Proportional to 13,167.28, 19,750.92 and 5,376.70

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Solution

The fourth proportional to 13,167.28, 19,750.92 and 5,376.70 is: 8,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.28 : 19,750.92 = 5,376.70 : x
  2. Step 2: Convert to fraction form
    13,167.28/19,750.92 = 5,376.70/x
  3. Step 3: Cross multiply
    13,167.28x = 19,750.92 × 5,376.70
  4. Step 4: Simplify right side
    13,167.28x = 106,194,771.56
  5. Step 5: Solve for x
    x = 106,194,771.56/13,167.28
  6. Step 6: Final answer
    x = 8,065.05

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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.