Home / 10,556.80-14,571.71-6,310.99

Finding the Fourth Proportional to 10,556.80, 14,571.71 and 6,310.99

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Solution

The fourth proportional to 10,556.80, 14,571.71 and 6,310.99 is: 8,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.80 : 14,571.71 = 6,310.99 : x
  2. Step 2: Convert to fraction form
    10,556.80/14,571.71 = 6,310.99/x
  3. Step 3: Cross multiply
    10,556.80x = 14,571.71 × 6,310.99
  4. Step 4: Simplify right side
    10,556.80x = 91,961,884.54
  5. Step 5: Solve for x
    x = 91,961,884.54/10,556.80
  6. Step 6: Final answer
    x = 8,711.15

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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.