Home / 13,211.87-18,233.52-7,244.70

Finding the Fourth Proportional to 13,211.87, 18,233.52 and 7,244.70

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Solution

The fourth proportional to 13,211.87, 18,233.52 and 7,244.70 is: 9,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.87 : 18,233.52 = 7,244.70 : x
  2. Step 2: Convert to fraction form
    13,211.87/18,233.52 = 7,244.70/x
  3. Step 3: Cross multiply
    13,211.87x = 18,233.52 × 7,244.70
  4. Step 4: Simplify right side
    13,211.87x = 132,096,382.34
  5. Step 5: Solve for x
    x = 132,096,382.34/13,211.87
  6. Step 6: Final answer
    x = 9,998.31

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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.