Home / 13,252.40-19,871.04-5,451.92

Finding the Fourth Proportional to 13,252.40, 19,871.04 and 5,451.92

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Solution

The fourth proportional to 13,252.40, 19,871.04 and 5,451.92 is: 8,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.40 : 19,871.04 = 5,451.92 : x
  2. Step 2: Convert to fraction form
    13,252.40/19,871.04 = 5,451.92/x
  3. Step 3: Cross multiply
    13,252.40x = 19,871.04 × 5,451.92
  4. Step 4: Simplify right side
    13,252.40x = 108,335,320.40
  5. Step 5: Solve for x
    x = 108,335,320.40/13,252.40
  6. Step 6: Final answer
    x = 8,174.77

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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.