Home / 11,353.09-17,032.74-8,086.99

Finding the Fourth Proportional to 11,353.09, 17,032.74 and 8,086.99

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Solution

The fourth proportional to 11,353.09, 17,032.74 and 8,086.99 is: 12,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.09 : 17,032.74 = 8,086.99 : x
  2. Step 2: Convert to fraction form
    11,353.09/17,032.74 = 8,086.99/x
  3. Step 3: Cross multiply
    11,353.09x = 17,032.74 × 8,086.99
  4. Step 4: Simplify right side
    11,353.09x = 137,743,598.05
  5. Step 5: Solve for x
    x = 137,743,598.05/11,353.09
  6. Step 6: Final answer
    x = 12,132.70

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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.