Home / 17,121.79-23,643.12-10,759.44

Finding the Fourth Proportional to 17,121.79, 23,643.12 and 10,759.44

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Solution

The fourth proportional to 17,121.79, 23,643.12 and 10,759.44 is: 14,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.79 : 23,643.12 = 10,759.44 : x
  2. Step 2: Convert to fraction form
    17,121.79/23,643.12 = 10,759.44/x
  3. Step 3: Cross multiply
    17,121.79x = 23,643.12 × 10,759.44
  4. Step 4: Simplify right side
    17,121.79x = 254,386,860.06
  5. Step 5: Solve for x
    x = 254,386,860.06/17,121.79
  6. Step 6: Final answer
    x = 14,857.49

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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.