Home / 11,255.34-15,532.10-6,219.30

Finding the Fourth Proportional to 11,255.34, 15,532.10 and 6,219.30

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Solution

The fourth proportional to 11,255.34, 15,532.10 and 6,219.30 is: 8,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.34 : 15,532.10 = 6,219.30 : x
  2. Step 2: Convert to fraction form
    11,255.34/15,532.10 = 6,219.30/x
  3. Step 3: Cross multiply
    11,255.34x = 15,532.10 × 6,219.30
  4. Step 4: Simplify right side
    11,255.34x = 96,598,789.53
  5. Step 5: Solve for x
    x = 96,598,789.53/11,255.34
  6. Step 6: Final answer
    x = 8,582.49

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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.