Home / 13,250.91-18,286.38-7,282.71

Finding the Fourth Proportional to 13,250.91, 18,286.38 and 7,282.71

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Solution

The fourth proportional to 13,250.91, 18,286.38 and 7,282.71 is: 10,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.91 : 18,286.38 = 7,282.71 : x
  2. Step 2: Convert to fraction form
    13,250.91/18,286.38 = 7,282.71/x
  3. Step 3: Cross multiply
    13,250.91x = 18,286.38 × 7,282.71
  4. Step 4: Simplify right side
    13,250.91x = 133,174,402.49
  5. Step 5: Solve for x
    x = 133,174,402.49/13,250.91
  6. Step 6: Final answer
    x = 10,050.21

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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.