Home / 11,192.20-15,445.08-6,156.64

Finding the Fourth Proportional to 11,192.20, 15,445.08 and 6,156.64

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Solution

The fourth proportional to 11,192.20, 15,445.08 and 6,156.64 is: 8,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.20 : 15,445.08 = 6,156.64 : x
  2. Step 2: Convert to fraction form
    11,192.20/15,445.08 = 6,156.64/x
  3. Step 3: Cross multiply
    11,192.20x = 15,445.08 × 6,156.64
  4. Step 4: Simplify right side
    11,192.20x = 95,089,797.33
  5. Step 5: Solve for x
    x = 95,089,797.33/11,192.20
  6. Step 6: Final answer
    x = 8,496.08

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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.