Home / 18,069.12-24,939.36-10,997.88

Finding the Fourth Proportional to 18,069.12, 24,939.36 and 10,997.88

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Solution

The fourth proportional to 18,069.12, 24,939.36 and 10,997.88 is: 15,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.12 : 24,939.36 = 10,997.88 : x
  2. Step 2: Convert to fraction form
    18,069.12/24,939.36 = 10,997.88/x
  3. Step 3: Cross multiply
    18,069.12x = 24,939.36 × 10,997.88
  4. Step 4: Simplify right side
    18,069.12x = 274,280,088.56
  5. Step 5: Solve for x
    x = 274,280,088.56/18,069.12
  6. Step 6: Final answer
    x = 15,179.49

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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.