Home / 11,330.68-16,993.05-5,087.20

Finding the Fourth Proportional to 11,330.68, 16,993.05 and 5,087.20

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Solution

The fourth proportional to 11,330.68, 16,993.05 and 5,087.20 is: 7,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.68 : 16,993.05 = 5,087.20 : x
  2. Step 2: Convert to fraction form
    11,330.68/16,993.05 = 5,087.20/x
  3. Step 3: Cross multiply
    11,330.68x = 16,993.05 × 5,087.20
  4. Step 4: Simplify right side
    11,330.68x = 86,447,043.96
  5. Step 5: Solve for x
    x = 86,447,043.96/11,330.68
  6. Step 6: Final answer
    x = 7,629.47

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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.