Home / 17,111.85-25,602.17-12,748.79

Finding the Fourth Proportional to 17,111.85, 25,602.17 and 12,748.79

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Solution

The fourth proportional to 17,111.85, 25,602.17 and 12,748.79 is: 19,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.85 : 25,602.17 = 12,748.79 : x
  2. Step 2: Convert to fraction form
    17,111.85/25,602.17 = 12,748.79/x
  3. Step 3: Cross multiply
    17,111.85x = 25,602.17 × 12,748.79
  4. Step 4: Simplify right side
    17,111.85x = 326,396,497.12
  5. Step 5: Solve for x
    x = 326,396,497.12/17,111.85
  6. Step 6: Final answer
    x = 19,074.30

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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.