Home / 15,192.08-20,959.52-9,449.15

Finding the Fourth Proportional to 15,192.08, 20,959.52 and 9,449.15

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Solution

The fourth proportional to 15,192.08, 20,959.52 and 9,449.15 is: 13,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.08 : 20,959.52 = 9,449.15 : x
  2. Step 2: Convert to fraction form
    15,192.08/20,959.52 = 9,449.15/x
  3. Step 3: Cross multiply
    15,192.08x = 20,959.52 × 9,449.15
  4. Step 4: Simplify right side
    15,192.08x = 198,049,648.41
  5. Step 5: Solve for x
    x = 198,049,648.41/15,192.08
  6. Step 6: Final answer
    x = 13,036.38

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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.