Home / 11,083.71-16,622.33-9,131.07

Finding the Fourth Proportional to 11,083.71, 16,622.33 and 9,131.07

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Solution

The fourth proportional to 11,083.71, 16,622.33 and 9,131.07 is: 13,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.71 : 16,622.33 = 9,131.07 : x
  2. Step 2: Convert to fraction form
    11,083.71/16,622.33 = 9,131.07/x
  3. Step 3: Cross multiply
    11,083.71x = 16,622.33 × 9,131.07
  4. Step 4: Simplify right side
    11,083.71x = 151,779,613.14
  5. Step 5: Solve for x
    x = 151,779,613.14/11,083.71
  6. Step 6: Final answer
    x = 13,693.94

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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.