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Finding the Fourth Proportional to 15,808.05, 23,712.48 and 7,486.11

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Solution

The fourth proportional to 15,808.05, 23,712.48 and 7,486.11 is: 11,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.05 : 23,712.48 = 7,486.11 : x
  2. Step 2: Convert to fraction form
    15,808.05/23,712.48 = 7,486.11/x
  3. Step 3: Cross multiply
    15,808.05x = 23,712.48 × 7,486.11
  4. Step 4: Simplify right side
    15,808.05x = 177,514,233.65
  5. Step 5: Solve for x
    x = 177,514,233.65/15,808.05
  6. Step 6: Final answer
    x = 11,229.36

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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.