Home / 17,387.84-26,081.64-6,999.44

Finding the Fourth Proportional to 17,387.84, 26,081.64 and 6,999.44

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Solution

The fourth proportional to 17,387.84, 26,081.64 and 6,999.44 is: 10,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.84 : 26,081.64 = 6,999.44 : x
  2. Step 2: Convert to fraction form
    17,387.84/26,081.64 = 6,999.44/x
  3. Step 3: Cross multiply
    17,387.84x = 26,081.64 × 6,999.44
  4. Step 4: Simplify right side
    17,387.84x = 182,556,874.28
  5. Step 5: Solve for x
    x = 182,556,874.28/17,387.84
  6. Step 6: Final answer
    x = 10,499.11

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Similar ratio
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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.