Home / 9,126.87-13,685.06-3,573.71

Finding the Fourth Proportional to 9,126.87, 13,685.06 and 3,573.71

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Solution

The fourth proportional to 9,126.87, 13,685.06 and 3,573.71 is: 5,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.87 : 13,685.06 = 3,573.71 : x
  2. Step 2: Convert to fraction form
    9,126.87/13,685.06 = 3,573.71/x
  3. Step 3: Cross multiply
    9,126.87x = 13,685.06 × 3,573.71
  4. Step 4: Simplify right side
    9,126.87x = 48,906,400.80
  5. Step 5: Solve for x
    x = 48,906,400.80/9,126.87
  6. Step 6: Final answer
    x = 5,358.51

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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.