Home / 15,277.43-22,921.97-7,877.17

Finding the Fourth Proportional to 15,277.43, 22,921.97 and 7,877.17

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Solution

The fourth proportional to 15,277.43, 22,921.97 and 7,877.17 is: 11,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.43 : 22,921.97 = 7,877.17 : x
  2. Step 2: Convert to fraction form
    15,277.43/22,921.97 = 7,877.17/x
  3. Step 3: Cross multiply
    15,277.43x = 22,921.97 × 7,877.17
  4. Step 4: Simplify right side
    15,277.43x = 180,560,157.73
  5. Step 5: Solve for x
    x = 180,560,157.73/15,277.43
  6. Step 6: Final answer
    x = 11,818.75

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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.