Home / 20,616.06-30,924.16-8,768.15

Finding the Fourth Proportional to 20,616.06, 30,924.16 and 8,768.15

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Solution

The fourth proportional to 20,616.06, 30,924.16 and 8,768.15 is: 13,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.06 : 30,924.16 = 8,768.15 : x
  2. Step 2: Convert to fraction form
    20,616.06/30,924.16 = 8,768.15/x
  3. Step 3: Cross multiply
    20,616.06x = 30,924.16 × 8,768.15
  4. Step 4: Simplify right side
    20,616.06x = 271,147,496.96
  5. Step 5: Solve for x
    x = 271,147,496.96/20,616.06
  6. Step 6: Final answer
    x = 13,152.25

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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.