Home / 15,438.69-23,158.04-3,751.88

Finding the Fourth Proportional to 15,438.69, 23,158.04 and 3,751.88

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Solution

The fourth proportional to 15,438.69, 23,158.04 and 3,751.88 is: 5,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.69 : 23,158.04 = 3,751.88 : x
  2. Step 2: Convert to fraction form
    15,438.69/23,158.04 = 3,751.88/x
  3. Step 3: Cross multiply
    15,438.69x = 23,158.04 × 3,751.88
  4. Step 4: Simplify right side
    15,438.69x = 86,886,052.57
  5. Step 5: Solve for x
    x = 86,886,052.57/15,438.69
  6. Step 6: Final answer
    x = 5,627.81

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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.