Home / 11,707.28-17,563.08-3,921.68

Finding the Fourth Proportional to 11,707.28, 17,563.08 and 3,921.68

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Solution

The fourth proportional to 11,707.28, 17,563.08 and 3,921.68 is: 5,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.28 : 17,563.08 = 3,921.68 : x
  2. Step 2: Convert to fraction form
    11,707.28/17,563.08 = 3,921.68/x
  3. Step 3: Cross multiply
    11,707.28x = 17,563.08 × 3,921.68
  4. Step 4: Simplify right side
    11,707.28x = 68,876,779.57
  5. Step 5: Solve for x
    x = 68,876,779.57/11,707.28
  6. Step 6: Final answer
    x = 5,883.24

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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.