Home / 15,945.54-22,005.51-8,872.02

Finding the Fourth Proportional to 15,945.54, 22,005.51 and 8,872.02

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Solution

The fourth proportional to 15,945.54, 22,005.51 and 8,872.02 is: 12,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.54 : 22,005.51 = 8,872.02 : x
  2. Step 2: Convert to fraction form
    15,945.54/22,005.51 = 8,872.02/x
  3. Step 3: Cross multiply
    15,945.54x = 22,005.51 × 8,872.02
  4. Step 4: Simplify right side
    15,945.54x = 195,233,324.83
  5. Step 5: Solve for x
    x = 195,233,324.83/15,945.54
  6. Step 6: Final answer
    x = 12,243.76

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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.