Home / 14,253.69-21,380.54-3,865.17

Finding the Fourth Proportional to 14,253.69, 21,380.54 and 3,865.17

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Solution

The fourth proportional to 14,253.69, 21,380.54 and 3,865.17 is: 5,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.69 : 21,380.54 = 3,865.17 : x
  2. Step 2: Convert to fraction form
    14,253.69/21,380.54 = 3,865.17/x
  3. Step 3: Cross multiply
    14,253.69x = 21,380.54 × 3,865.17
  4. Step 4: Simplify right side
    14,253.69x = 82,639,402.47
  5. Step 5: Solve for x
    x = 82,639,402.47/14,253.69
  6. Step 6: Final answer
    x = 5,797.76

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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.