Home / 12,376.20-18,566.10-4,054.80

Finding the Fourth Proportional to 12,376.20, 18,566.10 and 4,054.80

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Solution

The fourth proportional to 12,376.20, 18,566.10 and 4,054.80 is: 6,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.20 : 18,566.10 = 4,054.80 : x
  2. Step 2: Convert to fraction form
    12,376.20/18,566.10 = 4,054.80/x
  3. Step 3: Cross multiply
    12,376.20x = 18,566.10 × 4,054.80
  4. Step 4: Simplify right side
    12,376.20x = 75,281,822.28
  5. Step 5: Solve for x
    x = 75,281,822.28/12,376.20
  6. Step 6: Final answer
    x = 6,082.79

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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.