Home / 12,270.53-18,402.71-3,951.43

Finding the Fourth Proportional to 12,270.53, 18,402.71 and 3,951.43

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Solution

The fourth proportional to 12,270.53, 18,402.71 and 3,951.43 is: 5,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.53 : 18,402.71 = 3,951.43 : x
  2. Step 2: Convert to fraction form
    12,270.53/18,402.71 = 3,951.43/x
  3. Step 3: Cross multiply
    12,270.53x = 18,402.71 × 3,951.43
  4. Step 4: Simplify right side
    12,270.53x = 72,716,908.60
  5. Step 5: Solve for x
    x = 72,716,908.60/12,270.53
  6. Step 6: Final answer
    x = 5,926.14

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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.