Home / 14,556.80-21,829.80-5,789.90

Finding the Fourth Proportional to 14,556.80, 21,829.80 and 5,789.90

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Solution

The fourth proportional to 14,556.80, 21,829.80 and 5,789.90 is: 8,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.80 : 21,829.80 = 5,789.90 : x
  2. Step 2: Convert to fraction form
    14,556.80/21,829.80 = 5,789.90/x
  3. Step 3: Cross multiply
    14,556.80x = 21,829.80 × 5,789.90
  4. Step 4: Simplify right side
    14,556.80x = 126,392,359.02
  5. Step 5: Solve for x
    x = 126,392,359.02/14,556.80
  6. Step 6: Final answer
    x = 8,682.70

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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.