Home / 21,347.17-31,993.21-10,230.73

Finding the Fourth Proportional to 21,347.17, 31,993.21 and 10,230.73

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Solution

The fourth proportional to 21,347.17, 31,993.21 and 10,230.73 is: 15,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.17 : 31,993.21 = 10,230.73 : x
  2. Step 2: Convert to fraction form
    21,347.17/31,993.21 = 10,230.73/x
  3. Step 3: Cross multiply
    21,347.17x = 31,993.21 × 10,230.73
  4. Step 4: Simplify right side
    21,347.17x = 327,313,893.34
  5. Step 5: Solve for x
    x = 327,313,893.34/21,347.17
  6. Step 6: Final answer
    x = 15,332.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.