Home / 21,076.48-29,087.28-11,646.88

Finding the Fourth Proportional to 21,076.48, 29,087.28 and 11,646.88

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Solution

The fourth proportional to 21,076.48, 29,087.28 and 11,646.88 is: 16,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.48 : 29,087.28 = 11,646.88 : x
  2. Step 2: Convert to fraction form
    21,076.48/29,087.28 = 11,646.88/x
  3. Step 3: Cross multiply
    21,076.48x = 29,087.28 × 11,646.88
  4. Step 4: Simplify right side
    21,076.48x = 338,776,059.69
  5. Step 5: Solve for x
    x = 338,776,059.69/21,076.48
  6. Step 6: Final answer
    x = 16,073.65

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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.