Home / 12,371.14-18,559.49-3,938.13

Finding the Fourth Proportional to 12,371.14, 18,559.49 and 3,938.13

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Solution

The fourth proportional to 12,371.14, 18,559.49 and 3,938.13 is: 5,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.14 : 18,559.49 = 3,938.13 : x
  2. Step 2: Convert to fraction form
    12,371.14/18,559.49 = 3,938.13/x
  3. Step 3: Cross multiply
    12,371.14x = 18,559.49 × 3,938.13
  4. Step 4: Simplify right side
    12,371.14x = 73,089,684.35
  5. Step 5: Solve for x
    x = 73,089,684.35/12,371.14
  6. Step 6: Final answer
    x = 5,908.08

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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.