Home / 13,033.15-19,549.76-3,172.41

Finding the Fourth Proportional to 13,033.15, 19,549.76 and 3,172.41

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Solution

The fourth proportional to 13,033.15, 19,549.76 and 3,172.41 is: 4,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.15 : 19,549.76 = 3,172.41 : x
  2. Step 2: Convert to fraction form
    13,033.15/19,549.76 = 3,172.41/x
  3. Step 3: Cross multiply
    13,033.15x = 19,549.76 × 3,172.41
  4. Step 4: Simplify right side
    13,033.15x = 62,019,838.26
  5. Step 5: Solve for x
    x = 62,019,838.26/13,033.15
  6. Step 6: Final answer
    x = 4,758.62

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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.