Home / 15,945.32-23,919.90-5,272.04

Finding the Fourth Proportional to 15,945.32, 23,919.90 and 5,272.04

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Solution

The fourth proportional to 15,945.32, 23,919.90 and 5,272.04 is: 7,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.32 : 23,919.90 = 5,272.04 : x
  2. Step 2: Convert to fraction form
    15,945.32/23,919.90 = 5,272.04/x
  3. Step 3: Cross multiply
    15,945.32x = 23,919.90 × 5,272.04
  4. Step 4: Simplify right side
    15,945.32x = 126,106,669.60
  5. Step 5: Solve for x
    x = 126,106,669.60/15,945.32
  6. Step 6: Final answer
    x = 7,908.69

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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.