Home / 15,276.68-22,920.84-7,876.42

Finding the Fourth Proportional to 15,276.68, 22,920.84 and 7,876.42

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Solution

The fourth proportional to 15,276.68, 22,920.84 and 7,876.42 is: 11,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.68 : 22,920.84 = 7,876.42 : x
  2. Step 2: Convert to fraction form
    15,276.68/22,920.84 = 7,876.42/x
  3. Step 3: Cross multiply
    15,276.68x = 22,920.84 × 7,876.42
  4. Step 4: Simplify right side
    15,276.68x = 180,534,105.29
  5. Step 5: Solve for x
    x = 180,534,105.29/15,276.68
  6. Step 6: Final answer
    x = 11,817.63

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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.