Home / 15,945.17-22,005.27-8,871.44

Finding the Fourth Proportional to 15,945.17, 22,005.27 and 8,871.44

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Solution

The fourth proportional to 15,945.17, 22,005.27 and 8,871.44 is: 12,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.17 : 22,005.27 = 8,871.44 : x
  2. Step 2: Convert to fraction form
    15,945.17/22,005.27 = 8,871.44/x
  3. Step 3: Cross multiply
    15,945.17x = 22,005.27 × 8,871.44
  4. Step 4: Simplify right side
    15,945.17x = 195,218,322.46
  5. Step 5: Solve for x
    x = 195,218,322.46/15,945.17
  6. Step 6: Final answer
    x = 12,243.10

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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.