Home / 10,909.44-16,366.20-5,976.36

Finding the Fourth Proportional to 10,909.44, 16,366.20 and 5,976.36

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Solution

The fourth proportional to 10,909.44, 16,366.20 and 5,976.36 is: 8,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.44 : 16,366.20 = 5,976.36 : x
  2. Step 2: Convert to fraction form
    10,909.44/16,366.20 = 5,976.36/x
  3. Step 3: Cross multiply
    10,909.44x = 16,366.20 × 5,976.36
  4. Step 4: Simplify right side
    10,909.44x = 97,810,303.03
  5. Step 5: Solve for x
    x = 97,810,303.03/10,909.44
  6. Step 6: Final answer
    x = 8,965.66

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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.