Home / 12,088.19-18,132.30-3,768.88

Finding the Fourth Proportional to 12,088.19, 18,132.30 and 3,768.88

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Solution

The fourth proportional to 12,088.19, 18,132.30 and 3,768.88 is: 5,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.19 : 18,132.30 = 3,768.88 : x
  2. Step 2: Convert to fraction form
    12,088.19/18,132.30 = 3,768.88/x
  3. Step 3: Cross multiply
    12,088.19x = 18,132.30 × 3,768.88
  4. Step 4: Simplify right side
    12,088.19x = 68,338,478.42
  5. Step 5: Solve for x
    x = 68,338,478.42/12,088.19
  6. Step 6: Final answer
    x = 5,653.32

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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.