Home / 16,104.91-22,255.28-12,119.08

Finding the Fourth Proportional to 16,104.91, 22,255.28 and 12,119.08

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Solution

The fourth proportional to 16,104.91, 22,255.28 and 12,119.08 is: 16,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,104.91 : 22,255.28 = 12,119.08 : x
  2. Step 2: Convert to fraction form
    16,104.91/22,255.28 = 12,119.08/x
  3. Step 3: Cross multiply
    16,104.91x = 22,255.28 × 12,119.08
  4. Step 4: Simplify right side
    16,104.91x = 269,713,518.74
  5. Step 5: Solve for x
    x = 269,713,518.74/16,104.91
  6. Step 6: Final answer
    x = 16,747.29

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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.