Home / 12,044.75-18,065.30-3,280.34

Finding the Fourth Proportional to 12,044.75, 18,065.30 and 3,280.34

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Solution

The fourth proportional to 12,044.75, 18,065.30 and 3,280.34 is: 4,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.75 : 18,065.30 = 3,280.34 : x
  2. Step 2: Convert to fraction form
    12,044.75/18,065.30 = 3,280.34/x
  3. Step 3: Cross multiply
    12,044.75x = 18,065.30 × 3,280.34
  4. Step 4: Simplify right side
    12,044.75x = 59,260,354.96
  5. Step 5: Solve for x
    x = 59,260,354.96/12,044.75
  6. Step 6: Final answer
    x = 4,920.02

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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.