Home / 11,011.20-16,468.80-9,849.60

Finding the Fourth Proportional to 11,011.20, 16,468.80 and 9,849.60

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Solution

The fourth proportional to 11,011.20, 16,468.80 and 9,849.60 is: 14,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.20 : 16,468.80 = 9,849.60 : x
  2. Step 2: Convert to fraction form
    11,011.20/16,468.80 = 9,849.60/x
  3. Step 3: Cross multiply
    11,011.20x = 16,468.80 × 9,849.60
  4. Step 4: Simplify right side
    11,011.20x = 162,211,092.48
  5. Step 5: Solve for x
    x = 162,211,092.48/11,011.20
  6. Step 6: Final answer
    x = 14,731.46

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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.