Home / 10,202.05-15,304.47-3,626.65

Finding the Fourth Proportional to 10,202.05, 15,304.47 and 3,626.65

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Solution

The fourth proportional to 10,202.05, 15,304.47 and 3,626.65 is: 5,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.05 : 15,304.47 = 3,626.65 : x
  2. Step 2: Convert to fraction form
    10,202.05/15,304.47 = 3,626.65/x
  3. Step 3: Cross multiply
    10,202.05x = 15,304.47 × 3,626.65
  4. Step 4: Simplify right side
    10,202.05x = 55,503,956.13
  5. Step 5: Solve for x
    x = 55,503,956.13/10,202.05
  6. Step 6: Final answer
    x = 5,440.47

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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.