Home / 12,270.52-18,402.10-4,371.62

Finding the Fourth Proportional to 12,270.52, 18,402.10 and 4,371.62

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Solution

The fourth proportional to 12,270.52, 18,402.10 and 4,371.62 is: 6,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.52 : 18,402.10 = 4,371.62 : x
  2. Step 2: Convert to fraction form
    12,270.52/18,402.10 = 4,371.62/x
  3. Step 3: Cross multiply
    12,270.52x = 18,402.10 × 4,371.62
  4. Step 4: Simplify right side
    12,270.52x = 80,446,988.40
  5. Step 5: Solve for x
    x = 80,446,988.40/12,270.52
  6. Step 6: Final answer
    x = 6,556.12

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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.