Home / 19,215.75-26,517.75-10,383.75

Finding the Fourth Proportional to 19,215.75, 26,517.75 and 10,383.75

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Solution

The fourth proportional to 19,215.75, 26,517.75 and 10,383.75 is: 14,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.75 : 26,517.75 = 10,383.75 : x
  2. Step 2: Convert to fraction form
    19,215.75/26,517.75 = 10,383.75/x
  3. Step 3: Cross multiply
    19,215.75x = 26,517.75 × 10,383.75
  4. Step 4: Simplify right side
    19,215.75x = 275,353,686.56
  5. Step 5: Solve for x
    x = 275,353,686.56/19,215.75
  6. Step 6: Final answer
    x = 14,329.58

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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.