Home / 11,390.10-17,087.62-3,492.64

Finding the Fourth Proportional to 11,390.10, 17,087.62 and 3,492.64

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Solution

The fourth proportional to 11,390.10, 17,087.62 and 3,492.64 is: 5,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.10 : 17,087.62 = 3,492.64 : x
  2. Step 2: Convert to fraction form
    11,390.10/17,087.62 = 3,492.64/x
  3. Step 3: Cross multiply
    11,390.10x = 17,087.62 × 3,492.64
  4. Step 4: Simplify right side
    11,390.10x = 59,680,896.39
  5. Step 5: Solve for x
    x = 59,680,896.39/11,390.10
  6. Step 6: Final answer
    x = 5,239.72

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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.