Home / 15,438.06-23,157.12-3,751.29

Finding the Fourth Proportional to 15,438.06, 23,157.12 and 3,751.29

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Solution

The fourth proportional to 15,438.06, 23,157.12 and 3,751.29 is: 5,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.06 : 23,157.12 = 3,751.29 : x
  2. Step 2: Convert to fraction form
    15,438.06/23,157.12 = 3,751.29/x
  3. Step 3: Cross multiply
    15,438.06x = 23,157.12 × 3,751.29
  4. Step 4: Simplify right side
    15,438.06x = 86,869,072.68
  5. Step 5: Solve for x
    x = 86,869,072.68/15,438.06
  6. Step 6: Final answer
    x = 5,626.94

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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.