Home / 14,579.42-21,866.79-5,217.70

Finding the Fourth Proportional to 14,579.42, 21,866.79 and 5,217.70

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Solution

The fourth proportional to 14,579.42, 21,866.79 and 5,217.70 is: 7,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.42 : 21,866.79 = 5,217.70 : x
  2. Step 2: Convert to fraction form
    14,579.42/21,866.79 = 5,217.70/x
  3. Step 3: Cross multiply
    14,579.42x = 21,866.79 × 5,217.70
  4. Step 4: Simplify right side
    14,579.42x = 114,094,295.52
  5. Step 5: Solve for x
    x = 114,094,295.52/14,579.42
  6. Step 6: Final answer
    x = 7,825.71

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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.