Home / 10,618.36-15,927.57-3,222.88

Finding the Fourth Proportional to 10,618.36, 15,927.57 and 3,222.88

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Solution

The fourth proportional to 10,618.36, 15,927.57 and 3,222.88 is: 4,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.36 : 15,927.57 = 3,222.88 : x
  2. Step 2: Convert to fraction form
    10,618.36/15,927.57 = 3,222.88/x
  3. Step 3: Cross multiply
    10,618.36x = 15,927.57 × 3,222.88
  4. Step 4: Simplify right side
    10,618.36x = 51,332,646.80
  5. Step 5: Solve for x
    x = 51,332,646.80/10,618.36
  6. Step 6: Final answer
    x = 4,834.33

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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.