Home / 10,192.96-15,257.58-6,499.36

Finding the Fourth Proportional to 10,192.96, 15,257.58 and 6,499.36

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Solution

The fourth proportional to 10,192.96, 15,257.58 and 6,499.36 is: 9,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.96 : 15,257.58 = 6,499.36 : x
  2. Step 2: Convert to fraction form
    10,192.96/15,257.58 = 6,499.36/x
  3. Step 3: Cross multiply
    10,192.96x = 15,257.58 × 6,499.36
  4. Step 4: Simplify right side
    10,192.96x = 99,164,505.15
  5. Step 5: Solve for x
    x = 99,164,505.15/10,192.96
  6. Step 6: Final answer
    x = 9,728.73

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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.