Home / 12,066.90-18,102.03-3,747.55

Finding the Fourth Proportional to 12,066.90, 18,102.03 and 3,747.55

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Solution

The fourth proportional to 12,066.90, 18,102.03 and 3,747.55 is: 5,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.90 : 18,102.03 = 3,747.55 : x
  2. Step 2: Convert to fraction form
    12,066.90/18,102.03 = 3,747.55/x
  3. Step 3: Cross multiply
    12,066.90x = 18,102.03 × 3,747.55
  4. Step 4: Simplify right side
    12,066.90x = 67,838,262.53
  5. Step 5: Solve for x
    x = 67,838,262.53/12,066.90
  6. Step 6: Final answer
    x = 5,621.85

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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.