Home / 15,320.13-22,876.41-12,164.73

Finding the Fourth Proportional to 15,320.13, 22,876.41 and 12,164.73

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Solution

The fourth proportional to 15,320.13, 22,876.41 and 12,164.73 is: 18,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.13 : 22,876.41 = 12,164.73 : x
  2. Step 2: Convert to fraction form
    15,320.13/22,876.41 = 12,164.73/x
  3. Step 3: Cross multiply
    15,320.13x = 22,876.41 × 12,164.73
  4. Step 4: Simplify right side
    15,320.13x = 278,285,351.02
  5. Step 5: Solve for x
    x = 278,285,351.02/15,320.13
  6. Step 6: Final answer
    x = 18,164.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.