Home / 15,974.64-22,043.16-8,899.92

Finding the Fourth Proportional to 15,974.64, 22,043.16 and 8,899.92

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Solution

The fourth proportional to 15,974.64, 22,043.16 and 8,899.92 is: 12,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.64 : 22,043.16 = 8,899.92 : x
  2. Step 2: Convert to fraction form
    15,974.64/22,043.16 = 8,899.92/x
  3. Step 3: Cross multiply
    15,974.64x = 22,043.16 × 8,899.92
  4. Step 4: Simplify right side
    15,974.64x = 196,182,360.55
  5. Step 5: Solve for x
    x = 196,182,360.55/15,974.64
  6. Step 6: Final answer
    x = 12,280.86

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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.