Home / 11,248.80-16,871.28-3,455.52

Finding the Fourth Proportional to 11,248.80, 16,871.28 and 3,455.52

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Solution

The fourth proportional to 11,248.80, 16,871.28 and 3,455.52 is: 5,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.80 : 16,871.28 = 3,455.52 : x
  2. Step 2: Convert to fraction form
    11,248.80/16,871.28 = 3,455.52/x
  3. Step 3: Cross multiply
    11,248.80x = 16,871.28 × 3,455.52
  4. Step 4: Simplify right side
    11,248.80x = 58,299,045.47
  5. Step 5: Solve for x
    x = 58,299,045.47/11,248.80
  6. Step 6: Final answer
    x = 5,182.69

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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.