Home / 14,891.48-20,550.78-8,177.24

Finding the Fourth Proportional to 14,891.48, 20,550.78 and 8,177.24

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Solution

The fourth proportional to 14,891.48, 20,550.78 and 8,177.24 is: 11,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.48 : 20,550.78 = 8,177.24 : x
  2. Step 2: Convert to fraction form
    14,891.48/20,550.78 = 8,177.24/x
  3. Step 3: Cross multiply
    14,891.48x = 20,550.78 × 8,177.24
  4. Step 4: Simplify right side
    14,891.48x = 168,048,660.25
  5. Step 5: Solve for x
    x = 168,048,660.25/14,891.48
  6. Step 6: Final answer
    x = 11,284.89

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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.