Home / 9,993.06-13,790.18-5,516.87

Finding the Fourth Proportional to 9,993.06, 13,790.18 and 5,516.87

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Solution

The fourth proportional to 9,993.06, 13,790.18 and 5,516.87 is: 7,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.06 : 13,790.18 = 5,516.87 : x
  2. Step 2: Convert to fraction form
    9,993.06/13,790.18 = 5,516.87/x
  3. Step 3: Cross multiply
    9,993.06x = 13,790.18 × 5,516.87
  4. Step 4: Simplify right side
    9,993.06x = 76,078,575.18
  5. Step 5: Solve for x
    x = 76,078,575.18/9,993.06
  6. Step 6: Final answer
    x = 7,613.14

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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.