Home / 12,371.12-18,559.70-3,606.12

Finding the Fourth Proportional to 12,371.12, 18,559.70 and 3,606.12

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Solution

The fourth proportional to 12,371.12, 18,559.70 and 3,606.12 is: 5,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.12 : 18,559.70 = 3,606.12 : x
  2. Step 2: Convert to fraction form
    12,371.12/18,559.70 = 3,606.12/x
  3. Step 3: Cross multiply
    12,371.12x = 18,559.70 × 3,606.12
  4. Step 4: Simplify right side
    12,371.12x = 66,928,505.36
  5. Step 5: Solve for x
    x = 66,928,505.36/12,371.12
  6. Step 6: Final answer
    x = 5,410.06

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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.