Home / 15,277.80-22,917.90-6,512.78

Finding the Fourth Proportional to 15,277.80, 22,917.90 and 6,512.78

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Solution

The fourth proportional to 15,277.80, 22,917.90 and 6,512.78 is: 9,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.80 : 22,917.90 = 6,512.78 : x
  2. Step 2: Convert to fraction form
    15,277.80/22,917.90 = 6,512.78/x
  3. Step 3: Cross multiply
    15,277.80x = 22,917.90 × 6,512.78
  4. Step 4: Simplify right side
    15,277.80x = 149,259,240.76
  5. Step 5: Solve for x
    x = 149,259,240.76/15,277.80
  6. Step 6: Final answer
    x = 9,769.68

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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.