Home / 11,089.47-16,619.76-9,912.54

Finding the Fourth Proportional to 11,089.47, 16,619.76 and 9,912.54

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Solution

The fourth proportional to 11,089.47, 16,619.76 and 9,912.54 is: 14,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.47 : 16,619.76 = 9,912.54 : x
  2. Step 2: Convert to fraction form
    11,089.47/16,619.76 = 9,912.54/x
  3. Step 3: Cross multiply
    11,089.47x = 16,619.76 × 9,912.54
  4. Step 4: Simplify right side
    11,089.47x = 164,744,035.79
  5. Step 5: Solve for x
    x = 164,744,035.79/11,089.47
  6. Step 6: Final answer
    x = 14,855.90

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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.