Home / 17,910.20-24,698.80-11,857.68

Finding the Fourth Proportional to 17,910.20, 24,698.80 and 11,857.68

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Solution

The fourth proportional to 17,910.20, 24,698.80 and 11,857.68 is: 16,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.20 : 24,698.80 = 11,857.68 : x
  2. Step 2: Convert to fraction form
    17,910.20/24,698.80 = 11,857.68/x
  3. Step 3: Cross multiply
    17,910.20x = 24,698.80 × 11,857.68
  4. Step 4: Simplify right side
    17,910.20x = 292,870,437.14
  5. Step 5: Solve for x
    x = 292,870,437.14/17,910.20
  6. Step 6: Final answer
    x = 16,352.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.