Home / 11,740.91-17,611.10-2,856.29

Finding the Fourth Proportional to 11,740.91, 17,611.10 and 2,856.29

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Solution

The fourth proportional to 11,740.91, 17,611.10 and 2,856.29 is: 4,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.91 : 17,611.10 = 2,856.29 : x
  2. Step 2: Convert to fraction form
    11,740.91/17,611.10 = 2,856.29/x
  3. Step 3: Cross multiply
    11,740.91x = 17,611.10 × 2,856.29
  4. Step 4: Simplify right side
    11,740.91x = 50,302,327.90
  5. Step 5: Solve for x
    x = 50,302,327.90/11,740.91
  6. Step 6: Final answer
    x = 4,284.37

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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.