Home / 15,963.27-22,029.33-8,889.54

Finding the Fourth Proportional to 15,963.27, 22,029.33 and 8,889.54

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Solution

The fourth proportional to 15,963.27, 22,029.33 and 8,889.54 is: 12,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.27 : 22,029.33 = 8,889.54 : x
  2. Step 2: Convert to fraction form
    15,963.27/22,029.33 = 8,889.54/x
  3. Step 3: Cross multiply
    15,963.27x = 22,029.33 × 8,889.54
  4. Step 4: Simplify right side
    15,963.27x = 195,830,610.21
  5. Step 5: Solve for x
    x = 195,830,610.21/15,963.27
  6. Step 6: Final answer
    x = 12,267.57

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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.