Home / 13,243.30-19,868.90-5,341.75

Finding the Fourth Proportional to 13,243.30, 19,868.90 and 5,341.75

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Solution

The fourth proportional to 13,243.30, 19,868.90 and 5,341.75 is: 8,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.30 : 19,868.90 = 5,341.75 : x
  2. Step 2: Convert to fraction form
    13,243.30/19,868.90 = 5,341.75/x
  3. Step 3: Cross multiply
    13,243.30x = 19,868.90 × 5,341.75
  4. Step 4: Simplify right side
    13,243.30x = 106,134,620.19
  5. Step 5: Solve for x
    x = 106,134,620.19/13,243.30
  6. Step 6: Final answer
    x = 8,014.21

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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.