Home / 13,250.70-18,286.40-7,282.58

Finding the Fourth Proportional to 13,250.70, 18,286.40 and 7,282.58

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Solution

The fourth proportional to 13,250.70, 18,286.40 and 7,282.58 is: 10,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.70 : 18,286.40 = 7,282.58 : x
  2. Step 2: Convert to fraction form
    13,250.70/18,286.40 = 7,282.58/x
  3. Step 3: Cross multiply
    13,250.70x = 18,286.40 × 7,282.58
  4. Step 4: Simplify right side
    13,250.70x = 133,172,061.27
  5. Step 5: Solve for x
    x = 133,172,061.27/13,250.70
  6. Step 6: Final answer
    x = 10,050.19

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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.