Home / 12,343.19-18,516.33-4,020.97

Finding the Fourth Proportional to 12,343.19, 18,516.33 and 4,020.97

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Solution

The fourth proportional to 12,343.19, 18,516.33 and 4,020.97 is: 6,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.19 : 18,516.33 = 4,020.97 : x
  2. Step 2: Convert to fraction form
    12,343.19/18,516.33 = 4,020.97/x
  3. Step 3: Cross multiply
    12,343.19x = 18,516.33 × 4,020.97
  4. Step 4: Simplify right side
    12,343.19x = 74,453,607.44
  5. Step 5: Solve for x
    x = 74,453,607.44/12,343.19
  6. Step 6: Final answer
    x = 6,031.96

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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.