Home / 17,120.27-25,644.07-11,176.16

Finding the Fourth Proportional to 17,120.27, 25,644.07 and 11,176.16

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Solution

The fourth proportional to 17,120.27, 25,644.07 and 11,176.16 is: 16,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.27 : 25,644.07 = 11,176.16 : x
  2. Step 2: Convert to fraction form
    17,120.27/25,644.07 = 11,176.16/x
  3. Step 3: Cross multiply
    17,120.27x = 25,644.07 × 11,176.16
  4. Step 4: Simplify right side
    17,120.27x = 286,602,073.21
  5. Step 5: Solve for x
    x = 286,602,073.21/17,120.27
  6. Step 6: Final answer
    x = 16,740.51

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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.