Home / 9,099.05-12,556.16-5,119.93

Finding the Fourth Proportional to 9,099.05, 12,556.16 and 5,119.93

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Solution

The fourth proportional to 9,099.05, 12,556.16 and 5,119.93 is: 7,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.05 : 12,556.16 = 5,119.93 : x
  2. Step 2: Convert to fraction form
    9,099.05/12,556.16 = 5,119.93/x
  3. Step 3: Cross multiply
    9,099.05x = 12,556.16 × 5,119.93
  4. Step 4: Simplify right side
    9,099.05x = 64,286,597.49
  5. Step 5: Solve for x
    x = 64,286,597.49/9,099.05
  6. Step 6: Final answer
    x = 7,065.20

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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.