Home / 13,297.68-18,330.66-10,935.72

Finding the Fourth Proportional to 13,297.68, 18,330.66 and 10,935.72

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Solution

The fourth proportional to 13,297.68, 18,330.66 and 10,935.72 is: 15,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.68 : 18,330.66 = 10,935.72 : x
  2. Step 2: Convert to fraction form
    13,297.68/18,330.66 = 10,935.72/x
  3. Step 3: Cross multiply
    13,297.68x = 18,330.66 × 10,935.72
  4. Step 4: Simplify right side
    13,297.68x = 200,458,965.18
  5. Step 5: Solve for x
    x = 200,458,965.18/13,297.68
  6. Step 6: Final answer
    x = 15,074.73

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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.