Home / 12,432.29-18,650.25-3,666.06

Finding the Fourth Proportional to 12,432.29, 18,650.25 and 3,666.06

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Solution

The fourth proportional to 12,432.29, 18,650.25 and 3,666.06 is: 5,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.29 : 18,650.25 = 3,666.06 : x
  2. Step 2: Convert to fraction form
    12,432.29/18,650.25 = 3,666.06/x
  3. Step 3: Cross multiply
    12,432.29x = 18,650.25 × 3,666.06
  4. Step 4: Simplify right side
    12,432.29x = 68,372,935.52
  5. Step 5: Solve for x
    x = 68,372,935.52/12,432.29
  6. Step 6: Final answer
    x = 5,499.63

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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.