Home / 15,052.84-20,772.32-8,247.02

Finding the Fourth Proportional to 15,052.84, 20,772.32 and 8,247.02

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Solution

The fourth proportional to 15,052.84, 20,772.32 and 8,247.02 is: 11,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.84 : 20,772.32 = 8,247.02 : x
  2. Step 2: Convert to fraction form
    15,052.84/20,772.32 = 8,247.02/x
  3. Step 3: Cross multiply
    15,052.84x = 20,772.32 × 8,247.02
  4. Step 4: Simplify right side
    15,052.84x = 171,309,593.39
  5. Step 5: Solve for x
    x = 171,309,593.39/15,052.84
  6. Step 6: Final answer
    x = 11,380.55

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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.