Home / 13,169.22-19,750.90-3,807.19

Finding the Fourth Proportional to 13,169.22, 19,750.90 and 3,807.19

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Solution

The fourth proportional to 13,169.22, 19,750.90 and 3,807.19 is: 5,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.22 : 19,750.90 = 3,807.19 : x
  2. Step 2: Convert to fraction form
    13,169.22/19,750.90 = 3,807.19/x
  3. Step 3: Cross multiply
    13,169.22x = 19,750.90 × 3,807.19
  4. Step 4: Simplify right side
    13,169.22x = 75,195,428.97
  5. Step 5: Solve for x
    x = 75,195,428.97/13,169.22
  6. Step 6: Final answer
    x = 5,709.94

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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.