Home / 12,388.74-18,586.02-4,068.75

Finding the Fourth Proportional to 12,388.74, 18,586.02 and 4,068.75

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Solution

The fourth proportional to 12,388.74, 18,586.02 and 4,068.75 is: 6,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.74 : 18,586.02 = 4,068.75 : x
  2. Step 2: Convert to fraction form
    12,388.74/18,586.02 = 4,068.75/x
  3. Step 3: Cross multiply
    12,388.74x = 18,586.02 × 4,068.75
  4. Step 4: Simplify right side
    12,388.74x = 75,621,868.88
  5. Step 5: Solve for x
    x = 75,621,868.88/12,388.74
  6. Step 6: Final answer
    x = 6,104.08

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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.