Home / 13,299.77-19,948.04-3,438.23

Finding the Fourth Proportional to 13,299.77, 19,948.04 and 3,438.23

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Solution

The fourth proportional to 13,299.77, 19,948.04 and 3,438.23 is: 5,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.77 : 19,948.04 = 3,438.23 : x
  2. Step 2: Convert to fraction form
    13,299.77/19,948.04 = 3,438.23/x
  3. Step 3: Cross multiply
    13,299.77x = 19,948.04 × 3,438.23
  4. Step 4: Simplify right side
    13,299.77x = 68,585,832.64
  5. Step 5: Solve for x
    x = 68,585,832.64/13,299.77
  6. Step 6: Final answer
    x = 5,156.92

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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.