Home / 11,189.22-15,429.33-9,601.62

Finding the Fourth Proportional to 11,189.22, 15,429.33 and 9,601.62

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Solution

The fourth proportional to 11,189.22, 15,429.33 and 9,601.62 is: 13,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.22 : 15,429.33 = 9,601.62 : x
  2. Step 2: Convert to fraction form
    11,189.22/15,429.33 = 9,601.62/x
  3. Step 3: Cross multiply
    11,189.22x = 15,429.33 × 9,601.62
  4. Step 4: Simplify right side
    11,189.22x = 148,146,563.51
  5. Step 5: Solve for x
    x = 148,146,563.51/11,189.22
  6. Step 6: Final answer
    x = 13,240.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.