Home / 16,515.09-24,765.62-5,415.66

Finding the Fourth Proportional to 16,515.09, 24,765.62 and 5,415.66

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Solution

The fourth proportional to 16,515.09, 24,765.62 and 5,415.66 is: 8,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.09 : 24,765.62 = 5,415.66 : x
  2. Step 2: Convert to fraction form
    16,515.09/24,765.62 = 5,415.66/x
  3. Step 3: Cross multiply
    16,515.09x = 24,765.62 × 5,415.66
  4. Step 4: Simplify right side
    16,515.09x = 134,122,150.53
  5. Step 5: Solve for x
    x = 134,122,150.53/16,515.09
  6. Step 6: Final answer
    x = 8,121.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.