Home / 13,253.40-19,872.54-5,452.92

Finding the Fourth Proportional to 13,253.40, 19,872.54 and 5,452.92

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Solution

The fourth proportional to 13,253.40, 19,872.54 and 5,452.92 is: 8,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.40 : 19,872.54 = 5,452.92 : x
  2. Step 2: Convert to fraction form
    13,253.40/19,872.54 = 5,452.92/x
  3. Step 3: Cross multiply
    13,253.40x = 19,872.54 × 5,452.92
  4. Step 4: Simplify right side
    13,253.40x = 108,363,370.82
  5. Step 5: Solve for x
    x = 108,363,370.82/13,253.40
  6. Step 6: Final answer
    x = 8,176.27

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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.