Home / 15,218.79-22,796.74-8,959.52

Finding the Fourth Proportional to 15,218.79, 22,796.74 and 8,959.52

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Solution

The fourth proportional to 15,218.79, 22,796.74 and 8,959.52 is: 13,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.79 : 22,796.74 = 8,959.52 : x
  2. Step 2: Convert to fraction form
    15,218.79/22,796.74 = 8,959.52/x
  3. Step 3: Cross multiply
    15,218.79x = 22,796.74 × 8,959.52
  4. Step 4: Simplify right side
    15,218.79x = 204,247,790.97
  5. Step 5: Solve for x
    x = 204,247,790.97/15,218.79
  6. Step 6: Final answer
    x = 13,420.76

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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.