Home / 17,149.08-23,669.10-10,857

Finding the Fourth Proportional to 17,149.08, 23,669.10 and 10,857

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Solution

The fourth proportional to 17,149.08, 23,669.10 and 10,857 is: 14,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.08 : 23,669.10 = 10,857 : x
  2. Step 2: Convert to fraction form
    17,149.08/23,669.10 = 10,857/x
  3. Step 3: Cross multiply
    17,149.08x = 23,669.10 × 10,857
  4. Step 4: Simplify right side
    17,149.08x = 256,975,418.70
  5. Step 5: Solve for x
    x = 256,975,418.70/17,149.08
  6. Step 6: Final answer
    x = 14,984.79

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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.