Home / 10,220.58-15,329.05-2,823.32

Finding the Fourth Proportional to 10,220.58, 15,329.05 and 2,823.32

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Solution

The fourth proportional to 10,220.58, 15,329.05 and 2,823.32 is: 4,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.58 : 15,329.05 = 2,823.32 : x
  2. Step 2: Convert to fraction form
    10,220.58/15,329.05 = 2,823.32/x
  3. Step 3: Cross multiply
    10,220.58x = 15,329.05 × 2,823.32
  4. Step 4: Simplify right side
    10,220.58x = 43,278,844.71
  5. Step 5: Solve for x
    x = 43,278,844.71/10,220.58
  6. Step 6: Final answer
    x = 4,234.48

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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.