Home / 21,066.44-29,071.86-11,635.16

Finding the Fourth Proportional to 21,066.44, 29,071.86 and 11,635.16

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Solution

The fourth proportional to 21,066.44, 29,071.86 and 11,635.16 is: 16,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.44 : 29,071.86 = 11,635.16 : x
  2. Step 2: Convert to fraction form
    21,066.44/29,071.86 = 11,635.16/x
  3. Step 3: Cross multiply
    21,066.44x = 29,071.86 × 11,635.16
  4. Step 4: Simplify right side
    21,066.44x = 338,255,742.60
  5. Step 5: Solve for x
    x = 338,255,742.60/21,066.44
  6. Step 6: Final answer
    x = 16,056.62

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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.