Home / 12,648.42-18,972.88-4,337.99

Finding the Fourth Proportional to 12,648.42, 18,972.88 and 4,337.99

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Solution

The fourth proportional to 12,648.42, 18,972.88 and 4,337.99 is: 6,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.42 : 18,972.88 = 4,337.99 : x
  2. Step 2: Convert to fraction form
    12,648.42/18,972.88 = 4,337.99/x
  3. Step 3: Cross multiply
    12,648.42x = 18,972.88 × 4,337.99
  4. Step 4: Simplify right side
    12,648.42x = 82,304,153.55
  5. Step 5: Solve for x
    x = 82,304,153.55/12,648.42
  6. Step 6: Final answer
    x = 6,507.07

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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.