Home / 11,327.90-15,626.36-7,232.06

Finding the Fourth Proportional to 11,327.90, 15,626.36 and 7,232.06

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Solution

The fourth proportional to 11,327.90, 15,626.36 and 7,232.06 is: 9,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.90 : 15,626.36 = 7,232.06 : x
  2. Step 2: Convert to fraction form
    11,327.90/15,626.36 = 7,232.06/x
  3. Step 3: Cross multiply
    11,327.90x = 15,626.36 × 7,232.06
  4. Step 4: Simplify right side
    11,327.90x = 113,010,773.10
  5. Step 5: Solve for x
    x = 113,010,773.10/11,327.90
  6. Step 6: Final answer
    x = 9,976.32

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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.