Home / 11,388.36-17,084.72-3,599.40

Finding the Fourth Proportional to 11,388.36, 17,084.72 and 3,599.40

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Solution

The fourth proportional to 11,388.36, 17,084.72 and 3,599.40 is: 5,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.36 : 17,084.72 = 3,599.40 : x
  2. Step 2: Convert to fraction form
    11,388.36/17,084.72 = 3,599.40/x
  3. Step 3: Cross multiply
    11,388.36x = 17,084.72 × 3,599.40
  4. Step 4: Simplify right side
    11,388.36x = 61,494,741.17
  5. Step 5: Solve for x
    x = 61,494,741.17/11,388.36
  6. Step 6: Final answer
    x = 5,399.79

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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.