Home / 10,517.77-15,785.84-4,281.18

Finding the Fourth Proportional to 10,517.77, 15,785.84 and 4,281.18

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Solution

The fourth proportional to 10,517.77, 15,785.84 and 4,281.18 is: 6,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.77 : 15,785.84 = 4,281.18 : x
  2. Step 2: Convert to fraction form
    10,517.77/15,785.84 = 4,281.18/x
  3. Step 3: Cross multiply
    10,517.77x = 15,785.84 × 4,281.18
  4. Step 4: Simplify right side
    10,517.77x = 67,582,022.49
  5. Step 5: Solve for x
    x = 67,582,022.49/10,517.77
  6. Step 6: Final answer
    x = 6,425.51

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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.