Home / 13,563.68-20,341.87-9,207.95

Finding the Fourth Proportional to 13,563.68, 20,341.87 and 9,207.95

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Solution

The fourth proportional to 13,563.68, 20,341.87 and 9,207.95 is: 13,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.68 : 20,341.87 = 9,207.95 : x
  2. Step 2: Convert to fraction form
    13,563.68/20,341.87 = 9,207.95/x
  3. Step 3: Cross multiply
    13,563.68x = 20,341.87 × 9,207.95
  4. Step 4: Simplify right side
    13,563.68x = 187,306,797.14
  5. Step 5: Solve for x
    x = 187,306,797.14/13,563.68
  6. Step 6: Final answer
    x = 13,809.44

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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.