Home / 16,015.62-22,109.65-10,981.88

Finding the Fourth Proportional to 16,015.62, 22,109.65 and 10,981.88

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Solution

The fourth proportional to 16,015.62, 22,109.65 and 10,981.88 is: 15,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.62 : 22,109.65 = 10,981.88 : x
  2. Step 2: Convert to fraction form
    16,015.62/22,109.65 = 10,981.88/x
  3. Step 3: Cross multiply
    16,015.62x = 22,109.65 × 10,981.88
  4. Step 4: Simplify right side
    16,015.62x = 242,805,523.14
  5. Step 5: Solve for x
    x = 242,805,523.14/16,015.62
  6. Step 6: Final answer
    x = 15,160.54

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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.