Home / 10,909.44-16,362.72-4,333.92

Finding the Fourth Proportional to 10,909.44, 16,362.72 and 4,333.92

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Solution

The fourth proportional to 10,909.44, 16,362.72 and 4,333.92 is: 6,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.44 : 16,362.72 = 4,333.92 : x
  2. Step 2: Convert to fraction form
    10,909.44/16,362.72 = 4,333.92/x
  3. Step 3: Cross multiply
    10,909.44x = 16,362.72 × 4,333.92
  4. Step 4: Simplify right side
    10,909.44x = 70,914,719.46
  5. Step 5: Solve for x
    x = 70,914,719.46/10,909.44
  6. Step 6: Final answer
    x = 6,500.31

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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.