Home / 16,178.30-22,320.26-9,104.70

Finding the Fourth Proportional to 16,178.30, 22,320.26 and 9,104.70

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Solution

The fourth proportional to 16,178.30, 22,320.26 and 9,104.70 is: 12,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.30 : 22,320.26 = 9,104.70 : x
  2. Step 2: Convert to fraction form
    16,178.30/22,320.26 = 9,104.70/x
  3. Step 3: Cross multiply
    16,178.30x = 22,320.26 × 9,104.70
  4. Step 4: Simplify right side
    16,178.30x = 203,219,343.54
  5. Step 5: Solve for x
    x = 203,219,343.54/16,178.30
  6. Step 6: Final answer
    x = 12,561.23

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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.