Home / 17,182.16-23,759.10-13,639.22

Finding the Fourth Proportional to 17,182.16, 23,759.10 and 13,639.22

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Solution

The fourth proportional to 17,182.16, 23,759.10 and 13,639.22 is: 18,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.16 : 23,759.10 = 13,639.22 : x
  2. Step 2: Convert to fraction form
    17,182.16/23,759.10 = 13,639.22/x
  3. Step 3: Cross multiply
    17,182.16x = 23,759.10 × 13,639.22
  4. Step 4: Simplify right side
    17,182.16x = 324,055,591.90
  5. Step 5: Solve for x
    x = 324,055,591.90/17,182.16
  6. Step 6: Final answer
    x = 18,860.00

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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.