Home / 11,416.08-17,097.18-7,893

Finding the Fourth Proportional to 11,416.08, 17,097.18 and 7,893

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Solution

The fourth proportional to 11,416.08, 17,097.18 and 7,893 is: 11,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.08 : 17,097.18 = 7,893 : x
  2. Step 2: Convert to fraction form
    11,416.08/17,097.18 = 7,893/x
  3. Step 3: Cross multiply
    11,416.08x = 17,097.18 × 7,893
  4. Step 4: Simplify right side
    11,416.08x = 134,948,041.74
  5. Step 5: Solve for x
    x = 134,948,041.74/11,416.08
  6. Step 6: Final answer
    x = 11,820.87

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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.