Home / 11,151.92-16,729.80-5,303.60

Finding the Fourth Proportional to 11,151.92, 16,729.80 and 5,303.60

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Solution

The fourth proportional to 11,151.92, 16,729.80 and 5,303.60 is: 7,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.92 : 16,729.80 = 5,303.60 : x
  2. Step 2: Convert to fraction form
    11,151.92/16,729.80 = 5,303.60/x
  3. Step 3: Cross multiply
    11,151.92x = 16,729.80 × 5,303.60
  4. Step 4: Simplify right side
    11,151.92x = 88,728,167.28
  5. Step 5: Solve for x
    x = 88,728,167.28/11,151.92
  6. Step 6: Final answer
    x = 7,956.31

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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.