Home / 12,841.28-19,261.38-4,521.32

Finding the Fourth Proportional to 12,841.28, 19,261.38 and 4,521.32

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Solution

The fourth proportional to 12,841.28, 19,261.38 and 4,521.32 is: 6,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.28 : 19,261.38 = 4,521.32 : x
  2. Step 2: Convert to fraction form
    12,841.28/19,261.38 = 4,521.32/x
  3. Step 3: Cross multiply
    12,841.28x = 19,261.38 × 4,521.32
  4. Step 4: Simplify right side
    12,841.28x = 87,086,862.62
  5. Step 5: Solve for x
    x = 87,086,862.62/12,841.28
  6. Step 6: Final answer
    x = 6,781.79

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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.