Home / 13,297.05-18,334.69-9,934.20

Finding the Fourth Proportional to 13,297.05, 18,334.69 and 9,934.20

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Solution

The fourth proportional to 13,297.05, 18,334.69 and 9,934.20 is: 13,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.05 : 18,334.69 = 9,934.20 : x
  2. Step 2: Convert to fraction form
    13,297.05/18,334.69 = 9,934.20/x
  3. Step 3: Cross multiply
    13,297.05x = 18,334.69 × 9,934.20
  4. Step 4: Simplify right side
    13,297.05x = 182,140,452.56
  5. Step 5: Solve for x
    x = 182,140,452.56/13,297.05
  6. Step 6: Final answer
    x = 13,697.81

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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.