Home / 11,553.10-15,959.08-8,933.56

Finding the Fourth Proportional to 11,553.10, 15,959.08 and 8,933.56

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Solution

The fourth proportional to 11,553.10, 15,959.08 and 8,933.56 is: 12,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.10 : 15,959.08 = 8,933.56 : x
  2. Step 2: Convert to fraction form
    11,553.10/15,959.08 = 8,933.56/x
  3. Step 3: Cross multiply
    11,553.10x = 15,959.08 × 8,933.56
  4. Step 4: Simplify right side
    11,553.10x = 142,571,398.72
  5. Step 5: Solve for x
    x = 142,571,398.72/11,553.10
  6. Step 6: Final answer
    x = 12,340.53

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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.