Home / 11,642.22-17,432.01-9,291.06

Finding the Fourth Proportional to 11,642.22, 17,432.01 and 9,291.06

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Solution

The fourth proportional to 11,642.22, 17,432.01 and 9,291.06 is: 13,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.22 : 17,432.01 = 9,291.06 : x
  2. Step 2: Convert to fraction form
    11,642.22/17,432.01 = 9,291.06/x
  3. Step 3: Cross multiply
    11,642.22x = 17,432.01 × 9,291.06
  4. Step 4: Simplify right side
    11,642.22x = 161,961,850.83
  5. Step 5: Solve for x
    x = 161,961,850.83/11,642.22
  6. Step 6: Final answer
    x = 13,911.60

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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.