Home / 13,695.06-20,542.59-3,306.81

Finding the Fourth Proportional to 13,695.06, 20,542.59 and 3,306.81

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Solution

The fourth proportional to 13,695.06, 20,542.59 and 3,306.81 is: 4,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.06 : 20,542.59 = 3,306.81 : x
  2. Step 2: Convert to fraction form
    13,695.06/20,542.59 = 3,306.81/x
  3. Step 3: Cross multiply
    13,695.06x = 20,542.59 × 3,306.81
  4. Step 4: Simplify right side
    13,695.06x = 67,930,442.04
  5. Step 5: Solve for x
    x = 67,930,442.04/13,695.06
  6. Step 6: Final answer
    x = 4,960.22

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1.5x scale

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.