Home / 13,206.33-18,225.27-7,542

Finding the Fourth Proportional to 13,206.33, 18,225.27 and 7,542

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Solution

The fourth proportional to 13,206.33, 18,225.27 and 7,542 is: 10,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.33 : 18,225.27 = 7,542 : x
  2. Step 2: Convert to fraction form
    13,206.33/18,225.27 = 7,542/x
  3. Step 3: Cross multiply
    13,206.33x = 18,225.27 × 7,542
  4. Step 4: Simplify right side
    13,206.33x = 137,454,986.34
  5. Step 5: Solve for x
    x = 137,454,986.34/13,206.33
  6. Step 6: Final answer
    x = 10,408.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.