Home / 16,863.88-25,295.72-5,176.76

Finding the Fourth Proportional to 16,863.88, 25,295.72 and 5,176.76

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Solution

The fourth proportional to 16,863.88, 25,295.72 and 5,176.76 is: 7,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.88 : 25,295.72 = 5,176.76 : x
  2. Step 2: Convert to fraction form
    16,863.88/25,295.72 = 5,176.76/x
  3. Step 3: Cross multiply
    16,863.88x = 25,295.72 × 5,176.76
  4. Step 4: Simplify right side
    16,863.88x = 130,949,871.47
  5. Step 5: Solve for x
    x = 130,949,871.47/16,863.88
  6. Step 6: Final answer
    x = 7,765.11

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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.