Home / 15,389.22-23,078.16-5,525.85

Finding the Fourth Proportional to 15,389.22, 23,078.16 and 5,525.85

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Solution

The fourth proportional to 15,389.22, 23,078.16 and 5,525.85 is: 8,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.22 : 23,078.16 = 5,525.85 : x
  2. Step 2: Convert to fraction form
    15,389.22/23,078.16 = 5,525.85/x
  3. Step 3: Cross multiply
    15,389.22x = 23,078.16 × 5,525.85
  4. Step 4: Simplify right side
    15,389.22x = 127,526,450.44
  5. Step 5: Solve for x
    x = 127,526,450.44/15,389.22
  6. Step 6: Final answer
    x = 8,286.74

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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.