Home / 13,950.40-19,251.86-7,982.62

Finding the Fourth Proportional to 13,950.40, 19,251.86 and 7,982.62

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Solution

The fourth proportional to 13,950.40, 19,251.86 and 7,982.62 is: 11,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.40 : 19,251.86 = 7,982.62 : x
  2. Step 2: Convert to fraction form
    13,950.40/19,251.86 = 7,982.62/x
  3. Step 3: Cross multiply
    13,950.40x = 19,251.86 × 7,982.62
  4. Step 4: Simplify right side
    13,950.40x = 153,680,282.67
  5. Step 5: Solve for x
    x = 153,680,282.67/13,950.40
  6. Step 6: Final answer
    x = 11,016.19

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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.