Home / 12,874.48-19,275.30-8,182.86

Finding the Fourth Proportional to 12,874.48, 19,275.30 and 8,182.86

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Solution

The fourth proportional to 12,874.48, 19,275.30 and 8,182.86 is: 12,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.48 : 19,275.30 = 8,182.86 : x
  2. Step 2: Convert to fraction form
    12,874.48/19,275.30 = 8,182.86/x
  3. Step 3: Cross multiply
    12,874.48x = 19,275.30 × 8,182.86
  4. Step 4: Simplify right side
    12,874.48x = 157,727,081.36
  5. Step 5: Solve for x
    x = 157,727,081.36/12,874.48
  6. Step 6: Final answer
    x = 12,251.14

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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.