Home / 10,925.97-15,077.38-6,145.78

Finding the Fourth Proportional to 10,925.97, 15,077.38 and 6,145.78

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Solution

The fourth proportional to 10,925.97, 15,077.38 and 6,145.78 is: 8,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.97 : 15,077.38 = 6,145.78 : x
  2. Step 2: Convert to fraction form
    10,925.97/15,077.38 = 6,145.78/x
  3. Step 3: Cross multiply
    10,925.97x = 15,077.38 × 6,145.78
  4. Step 4: Simplify right side
    10,925.97x = 92,662,260.46
  5. Step 5: Solve for x
    x = 92,662,260.46/10,925.97
  6. Step 6: Final answer
    x = 8,480.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.