Home / 16,209.28-22,363.32-13,219.92

Finding the Fourth Proportional to 16,209.28, 22,363.32 and 13,219.92

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Solution

The fourth proportional to 16,209.28, 22,363.32 and 13,219.92 is: 18,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.28 : 22,363.32 = 13,219.92 : x
  2. Step 2: Convert to fraction form
    16,209.28/22,363.32 = 13,219.92/x
  3. Step 3: Cross multiply
    16,209.28x = 22,363.32 × 13,219.92
  4. Step 4: Simplify right side
    16,209.28x = 295,641,301.33
  5. Step 5: Solve for x
    x = 295,641,301.33/16,209.28
  6. Step 6: Final answer
    x = 18,239.02

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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.