Home / 10,795.31-16,188.86-4,220.64

Finding the Fourth Proportional to 10,795.31, 16,188.86 and 4,220.64

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Solution

The fourth proportional to 10,795.31, 16,188.86 and 4,220.64 is: 6,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.31 : 16,188.86 = 4,220.64 : x
  2. Step 2: Convert to fraction form
    10,795.31/16,188.86 = 4,220.64/x
  3. Step 3: Cross multiply
    10,795.31x = 16,188.86 × 4,220.64
  4. Step 4: Simplify right side
    10,795.31x = 68,327,328.97
  5. Step 5: Solve for x
    x = 68,327,328.97/10,795.31
  6. Step 6: Final answer
    x = 6,329.36

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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.