Home / 14,556.71-20,081.82-8,585.80

Finding the Fourth Proportional to 14,556.71, 20,081.82 and 8,585.80

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Solution

The fourth proportional to 14,556.71, 20,081.82 and 8,585.80 is: 11,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.71 : 20,081.82 = 8,585.80 : x
  2. Step 2: Convert to fraction form
    14,556.71/20,081.82 = 8,585.80/x
  3. Step 3: Cross multiply
    14,556.71x = 20,081.82 × 8,585.80
  4. Step 4: Simplify right side
    14,556.71x = 172,418,472.15
  5. Step 5: Solve for x
    x = 172,418,472.15/14,556.71
  6. Step 6: Final answer
    x = 11,844.60

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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.