Home / 11,028.50-16,616.33-9,975.53

Finding the Fourth Proportional to 11,028.50, 16,616.33 and 9,975.53

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Solution

The fourth proportional to 11,028.50, 16,616.33 and 9,975.53 is: 15,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.50 : 16,616.33 = 9,975.53 : x
  2. Step 2: Convert to fraction form
    11,028.50/16,616.33 = 9,975.53/x
  3. Step 3: Cross multiply
    11,028.50x = 16,616.33 × 9,975.53
  4. Step 4: Simplify right side
    11,028.50x = 165,756,565.45
  5. Step 5: Solve for x
    x = 165,756,565.45/11,028.50
  6. Step 6: Final answer
    x = 15,029.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.