Home / 10,220.56-15,328.41-2,824.86

Finding the Fourth Proportional to 10,220.56, 15,328.41 and 2,824.86

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Solution

The fourth proportional to 10,220.56, 15,328.41 and 2,824.86 is: 4,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.56 : 15,328.41 = 2,824.86 : x
  2. Step 2: Convert to fraction form
    10,220.56/15,328.41 = 2,824.86/x
  3. Step 3: Cross multiply
    10,220.56x = 15,328.41 × 2,824.86
  4. Step 4: Simplify right side
    10,220.56x = 43,300,612.27
  5. Step 5: Solve for x
    x = 43,300,612.27/10,220.56
  6. Step 6: Final answer
    x = 4,236.62

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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.