Home / 21,077.08-29,086.95-11,646.25

Finding the Fourth Proportional to 21,077.08, 29,086.95 and 11,646.25

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Solution

The fourth proportional to 21,077.08, 29,086.95 and 11,646.25 is: 16,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077.08 : 29,086.95 = 11,646.25 : x
  2. Step 2: Convert to fraction form
    21,077.08/29,086.95 = 11,646.25/x
  3. Step 3: Cross multiply
    21,077.08x = 29,086.95 × 11,646.25
  4. Step 4: Simplify right side
    21,077.08x = 338,753,862.39
  5. Step 5: Solve for x
    x = 338,753,862.39/21,077.08
  6. Step 6: Final answer
    x = 16,072.15

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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.