Home / 20,496.74-30,754.27-9,960.98

Finding the Fourth Proportional to 20,496.74, 30,754.27 and 9,960.98

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Solution

The fourth proportional to 20,496.74, 30,754.27 and 9,960.98 is: 14,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.74 : 30,754.27 = 9,960.98 : x
  2. Step 2: Convert to fraction form
    20,496.74/30,754.27 = 9,960.98/x
  3. Step 3: Cross multiply
    20,496.74x = 30,754.27 × 9,960.98
  4. Step 4: Simplify right side
    20,496.74x = 306,342,668.38
  5. Step 5: Solve for x
    x = 306,342,668.38/20,496.74
  6. Step 6: Final answer
    x = 14,945.92

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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.