Home / 12,034.89-18,045.63-3,712.55

Finding the Fourth Proportional to 12,034.89, 18,045.63 and 3,712.55

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Solution

The fourth proportional to 12,034.89, 18,045.63 and 3,712.55 is: 5,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.89 : 18,045.63 = 3,712.55 : x
  2. Step 2: Convert to fraction form
    12,034.89/18,045.63 = 3,712.55/x
  3. Step 3: Cross multiply
    12,034.89x = 18,045.63 × 3,712.55
  4. Step 4: Simplify right side
    12,034.89x = 66,995,213.43
  5. Step 5: Solve for x
    x = 66,995,213.43/12,034.89
  6. Step 6: Final answer
    x = 5,566.75

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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.