Home / 12,758.28-19,132.74-4,436.04

Finding the Fourth Proportional to 12,758.28, 19,132.74 and 4,436.04

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Solution

The fourth proportional to 12,758.28, 19,132.74 and 4,436.04 is: 6,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.28 : 19,132.74 = 4,436.04 : x
  2. Step 2: Convert to fraction form
    12,758.28/19,132.74 = 4,436.04/x
  3. Step 3: Cross multiply
    12,758.28x = 19,132.74 × 4,436.04
  4. Step 4: Simplify right side
    12,758.28x = 84,873,599.95
  5. Step 5: Solve for x
    x = 84,873,599.95/12,758.28
  6. Step 6: Final answer
    x = 6,652.43

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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.