Home / 13,525.13-20,257.44-7,819.10

Finding the Fourth Proportional to 13,525.13, 20,257.44 and 7,819.10

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Solution

The fourth proportional to 13,525.13, 20,257.44 and 7,819.10 is: 11,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.13 : 20,257.44 = 7,819.10 : x
  2. Step 2: Convert to fraction form
    13,525.13/20,257.44 = 7,819.10/x
  3. Step 3: Cross multiply
    13,525.13x = 20,257.44 × 7,819.10
  4. Step 4: Simplify right side
    13,525.13x = 158,394,949.10
  5. Step 5: Solve for x
    x = 158,394,949.10/13,525.13
  6. Step 6: Final answer
    x = 11,711.16

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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.