Home / 20,537.73-30,811.23-7,390.17

Finding the Fourth Proportional to 20,537.73, 30,811.23 and 7,390.17

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Solution

The fourth proportional to 20,537.73, 30,811.23 and 7,390.17 is: 11,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.73 : 30,811.23 = 7,390.17 : x
  2. Step 2: Convert to fraction form
    20,537.73/30,811.23 = 7,390.17/x
  3. Step 3: Cross multiply
    20,537.73x = 30,811.23 × 7,390.17
  4. Step 4: Simplify right side
    20,537.73x = 227,700,227.61
  5. Step 5: Solve for x
    x = 227,700,227.61/20,537.73
  6. Step 6: Final answer
    x = 11,086.92

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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.