Home / 16,126.40-22,255.84-8,957.72

Finding the Fourth Proportional to 16,126.40, 22,255.84 and 8,957.72

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Solution

The fourth proportional to 16,126.40, 22,255.84 and 8,957.72 is: 12,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.40 : 22,255.84 = 8,957.72 : x
  2. Step 2: Convert to fraction form
    16,126.40/22,255.84 = 8,957.72/x
  3. Step 3: Cross multiply
    16,126.40x = 22,255.84 × 8,957.72
  4. Step 4: Simplify right side
    16,126.40x = 199,361,583.08
  5. Step 5: Solve for x
    x = 199,361,583.08/16,126.40
  6. Step 6: Final answer
    x = 12,362.44

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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.