Home / 21,077.27-29,087.21-11,646.44

Finding the Fourth Proportional to 21,077.27, 29,087.21 and 11,646.44

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Solution

The fourth proportional to 21,077.27, 29,087.21 and 11,646.44 is: 16,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077.27 : 29,087.21 = 11,646.44 : x
  2. Step 2: Convert to fraction form
    21,077.27/29,087.21 = 11,646.44/x
  3. Step 3: Cross multiply
    21,077.27x = 29,087.21 × 11,646.44
  4. Step 4: Simplify right side
    21,077.27x = 338,762,329.71
  5. Step 5: Solve for x
    x = 338,762,329.71/21,077.27
  6. Step 6: Final answer
    x = 16,072.40

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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.