Home / 11,322.90-15,623.64-7,073.19

Finding the Fourth Proportional to 11,322.90, 15,623.64 and 7,073.19

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Solution

The fourth proportional to 11,322.90, 15,623.64 and 7,073.19 is: 9,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.90 : 15,623.64 = 7,073.19 : x
  2. Step 2: Convert to fraction form
    11,322.90/15,623.64 = 7,073.19/x
  3. Step 3: Cross multiply
    11,322.90x = 15,623.64 × 7,073.19
  4. Step 4: Simplify right side
    11,322.90x = 110,508,974.21
  5. Step 5: Solve for x
    x = 110,508,974.21/11,322.90
  6. Step 6: Final answer
    x = 9,759.78

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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.