Home / 11,389.83-17,088.26-3,994.40

Finding the Fourth Proportional to 11,389.83, 17,088.26 and 3,994.40

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Solution

The fourth proportional to 11,389.83, 17,088.26 and 3,994.40 is: 5,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.83 : 17,088.26 = 3,994.40 : x
  2. Step 2: Convert to fraction form
    11,389.83/17,088.26 = 3,994.40/x
  3. Step 3: Cross multiply
    11,389.83x = 17,088.26 × 3,994.40
  4. Step 4: Simplify right side
    11,389.83x = 68,257,240.33
  5. Step 5: Solve for x
    x = 68,257,240.33/11,389.83
  6. Step 6: Final answer
    x = 5,992.82

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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.