Home / 13,297.23-18,352.83-7,635.80

Finding the Fourth Proportional to 13,297.23, 18,352.83 and 7,635.80

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Solution

The fourth proportional to 13,297.23, 18,352.83 and 7,635.80 is: 10,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.23 : 18,352.83 = 7,635.80 : x
  2. Step 2: Convert to fraction form
    13,297.23/18,352.83 = 7,635.80/x
  3. Step 3: Cross multiply
    13,297.23x = 18,352.83 × 7,635.80
  4. Step 4: Simplify right side
    13,297.23x = 140,138,447.55
  5. Step 5: Solve for x
    x = 140,138,447.55/13,297.23
  6. Step 6: Final answer
    x = 10,538.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.