Home / 14,900.28-20,564.46-9,940.92

Finding the Fourth Proportional to 14,900.28, 20,564.46 and 9,940.92

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Solution

The fourth proportional to 14,900.28, 20,564.46 and 9,940.92 is: 13,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.28 : 20,564.46 = 9,940.92 : x
  2. Step 2: Convert to fraction form
    14,900.28/20,564.46 = 9,940.92/x
  3. Step 3: Cross multiply
    14,900.28x = 20,564.46 × 9,940.92
  4. Step 4: Simplify right side
    14,900.28x = 204,429,651.70
  5. Step 5: Solve for x
    x = 204,429,651.70/14,900.28
  6. Step 6: Final answer
    x = 13,719.85

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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.