Home / 13,254.40-19,874.04-5,453.92

Finding the Fourth Proportional to 13,254.40, 19,874.04 and 5,453.92

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Solution

The fourth proportional to 13,254.40, 19,874.04 and 5,453.92 is: 8,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.40 : 19,874.04 = 5,453.92 : x
  2. Step 2: Convert to fraction form
    13,254.40/19,874.04 = 5,453.92/x
  3. Step 3: Cross multiply
    13,254.40x = 19,874.04 × 5,453.92
  4. Step 4: Simplify right side
    13,254.40x = 108,391,424.24
  5. Step 5: Solve for x
    x = 108,391,424.24/13,254.40
  6. Step 6: Final answer
    x = 8,177.77

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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.