Home / 13,458.44-20,209.62-8,297.12

Finding the Fourth Proportional to 13,458.44, 20,209.62 and 8,297.12

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Solution

The fourth proportional to 13,458.44, 20,209.62 and 8,297.12 is: 12,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.44 : 20,209.62 = 8,297.12 : x
  2. Step 2: Convert to fraction form
    13,458.44/20,209.62 = 8,297.12/x
  3. Step 3: Cross multiply
    13,458.44x = 20,209.62 × 8,297.12
  4. Step 4: Simplify right side
    13,458.44x = 167,681,642.29
  5. Step 5: Solve for x
    x = 167,681,642.29/13,458.44
  6. Step 6: Final answer
    x = 12,459.22

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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.