Home / 15,952.22-22,013.69-8,879.30

Finding the Fourth Proportional to 15,952.22, 22,013.69 and 8,879.30

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Solution

The fourth proportional to 15,952.22, 22,013.69 and 8,879.30 is: 12,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.22 : 22,013.69 = 8,879.30 : x
  2. Step 2: Convert to fraction form
    15,952.22/22,013.69 = 8,879.30/x
  3. Step 3: Cross multiply
    15,952.22x = 22,013.69 × 8,879.30
  4. Step 4: Simplify right side
    15,952.22x = 195,466,157.62
  5. Step 5: Solve for x
    x = 195,466,157.62/15,952.22
  6. Step 6: Final answer
    x = 12,253.23

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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.