Home / 17,257.11-23,815.53-9,703.76

Finding the Fourth Proportional to 17,257.11, 23,815.53 and 9,703.76

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Solution

The fourth proportional to 17,257.11, 23,815.53 and 9,703.76 is: 13,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.11 : 23,815.53 = 9,703.76 : x
  2. Step 2: Convert to fraction form
    17,257.11/23,815.53 = 9,703.76/x
  3. Step 3: Cross multiply
    17,257.11x = 23,815.53 × 9,703.76
  4. Step 4: Simplify right side
    17,257.11x = 231,100,187.39
  5. Step 5: Solve for x
    x = 231,100,187.39/17,257.11
  6. Step 6: Final answer
    x = 13,391.59

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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.