Home / 17,143.80-25,726.62-11,457.60

Finding the Fourth Proportional to 17,143.80, 25,726.62 and 11,457.60

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Solution

The fourth proportional to 17,143.80, 25,726.62 and 11,457.60 is: 17,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.80 : 25,726.62 = 11,457.60 : x
  2. Step 2: Convert to fraction form
    17,143.80/25,726.62 = 11,457.60/x
  3. Step 3: Cross multiply
    17,143.80x = 25,726.62 × 11,457.60
  4. Step 4: Simplify right side
    17,143.80x = 294,765,321.31
  5. Step 5: Solve for x
    x = 294,765,321.31/17,143.80
  6. Step 6: Final answer
    x = 17,193.70

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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.