Home / 16,765.32-25,153.71-10,517.79

Finding the Fourth Proportional to 16,765.32, 25,153.71 and 10,517.79

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Solution

The fourth proportional to 16,765.32, 25,153.71 and 10,517.79 is: 15,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.32 : 25,153.71 = 10,517.79 : x
  2. Step 2: Convert to fraction form
    16,765.32/25,153.71 = 10,517.79/x
  3. Step 3: Cross multiply
    16,765.32x = 25,153.71 × 10,517.79
  4. Step 4: Simplify right side
    16,765.32x = 264,561,439.50
  5. Step 5: Solve for x
    x = 264,561,439.50/16,765.32
  6. Step 6: Final answer
    x = 15,780.28

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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.