Home / 18,089.85-24,969.41-11,019.76

Finding the Fourth Proportional to 18,089.85, 24,969.41 and 11,019.76

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Solution

The fourth proportional to 18,089.85, 24,969.41 and 11,019.76 is: 15,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.85 : 24,969.41 = 11,019.76 : x
  2. Step 2: Convert to fraction form
    18,089.85/24,969.41 = 11,019.76/x
  3. Step 3: Cross multiply
    18,089.85x = 24,969.41 × 11,019.76
  4. Step 4: Simplify right side
    18,089.85x = 275,156,850.44
  5. Step 5: Solve for x
    x = 275,156,850.44/18,089.85
  6. Step 6: Final answer
    x = 15,210.57

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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.