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Finding the Fourth Proportional to 17,904.68, 26,851.62 and 7,514.12

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Solution

The fourth proportional to 17,904.68, 26,851.62 and 7,514.12 is: 11,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.68 : 26,851.62 = 7,514.12 : x
  2. Step 2: Convert to fraction form
    17,904.68/26,851.62 = 7,514.12/x
  3. Step 3: Cross multiply
    17,904.68x = 26,851.62 × 7,514.12
  4. Step 4: Simplify right side
    17,904.68x = 201,766,294.87
  5. Step 5: Solve for x
    x = 201,766,294.87/17,904.68
  6. Step 6: Final answer
    x = 11,268.91

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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.