Home / 12,052.72-18,084.84-4,265.20

Finding the Fourth Proportional to 12,052.72, 18,084.84 and 4,265.20

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Solution

The fourth proportional to 12,052.72, 18,084.84 and 4,265.20 is: 6,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.72 : 18,084.84 = 4,265.20 : x
  2. Step 2: Convert to fraction form
    12,052.72/18,084.84 = 4,265.20/x
  3. Step 3: Cross multiply
    12,052.72x = 18,084.84 × 4,265.20
  4. Step 4: Simplify right side
    12,052.72x = 77,135,459.57
  5. Step 5: Solve for x
    x = 77,135,459.57/12,052.72
  6. Step 6: Final answer
    x = 6,399.84

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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.