Home / 15,904.88-21,948.78-8,832.62

Finding the Fourth Proportional to 15,904.88, 21,948.78 and 8,832.62

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Solution

The fourth proportional to 15,904.88, 21,948.78 and 8,832.62 is: 12,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.88 : 21,948.78 = 8,832.62 : x
  2. Step 2: Convert to fraction form
    15,904.88/21,948.78 = 8,832.62/x
  3. Step 3: Cross multiply
    15,904.88x = 21,948.78 × 8,832.62
  4. Step 4: Simplify right side
    15,904.88x = 193,865,233.20
  5. Step 5: Solve for x
    x = 193,865,233.20/15,904.88
  6. Step 6: Final answer
    x = 12,189.04

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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.