Home / 15,339.36-23,015.57-7,949.03

Finding the Fourth Proportional to 15,339.36, 23,015.57 and 7,949.03

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Solution

The fourth proportional to 15,339.36, 23,015.57 and 7,949.03 is: 11,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.36 : 23,015.57 = 7,949.03 : x
  2. Step 2: Convert to fraction form
    15,339.36/23,015.57 = 7,949.03/x
  3. Step 3: Cross multiply
    15,339.36x = 23,015.57 × 7,949.03
  4. Step 4: Simplify right side
    15,339.36x = 182,951,456.40
  5. Step 5: Solve for x
    x = 182,951,456.40/15,339.36
  6. Step 6: Final answer
    x = 11,926.93

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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.