Home / 17,272.80-25,909.14-7,405.68

Finding the Fourth Proportional to 17,272.80, 25,909.14 and 7,405.68

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Solution

The fourth proportional to 17,272.80, 25,909.14 and 7,405.68 is: 11,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.80 : 25,909.14 = 7,405.68 : x
  2. Step 2: Convert to fraction form
    17,272.80/25,909.14 = 7,405.68/x
  3. Step 3: Cross multiply
    17,272.80x = 25,909.14 × 7,405.68
  4. Step 4: Simplify right side
    17,272.80x = 191,874,799.92
  5. Step 5: Solve for x
    x = 191,874,799.92/17,272.80
  6. Step 6: Final answer
    x = 11,108.49

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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.