Home / 21,066.94-29,071.74-11,635.48

Finding the Fourth Proportional to 21,066.94, 29,071.74 and 11,635.48

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Solution

The fourth proportional to 21,066.94, 29,071.74 and 11,635.48 is: 16,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.94 : 29,071.74 = 11,635.48 : x
  2. Step 2: Convert to fraction form
    21,066.94/29,071.74 = 11,635.48/x
  3. Step 3: Cross multiply
    21,066.94x = 29,071.74 × 11,635.48
  4. Step 4: Simplify right side
    21,066.94x = 338,263,649.34
  5. Step 5: Solve for x
    x = 338,263,649.34/21,066.94
  6. Step 6: Final answer
    x = 16,056.61

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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.