Home / 11,355.29-15,662.99-7,327.26

Finding the Fourth Proportional to 11,355.29, 15,662.99 and 7,327.26

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Solution

The fourth proportional to 11,355.29, 15,662.99 and 7,327.26 is: 10,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.29 : 15,662.99 = 7,327.26 : x
  2. Step 2: Convert to fraction form
    11,355.29/15,662.99 = 7,327.26/x
  3. Step 3: Cross multiply
    11,355.29x = 15,662.99 × 7,327.26
  4. Step 4: Simplify right side
    11,355.29x = 114,766,777.21
  5. Step 5: Solve for x
    x = 114,766,777.21/11,355.29
  6. Step 6: Final answer
    x = 10,106.90

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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.