Home / 20,284.14-27,992.13-11,331.63

Finding the Fourth Proportional to 20,284.14, 27,992.13 and 11,331.63

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Solution

The fourth proportional to 20,284.14, 27,992.13 and 11,331.63 is: 15,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.14 : 27,992.13 = 11,331.63 : x
  2. Step 2: Convert to fraction form
    20,284.14/27,992.13 = 11,331.63/x
  3. Step 3: Cross multiply
    20,284.14x = 27,992.13 × 11,331.63
  4. Step 4: Simplify right side
    20,284.14x = 317,196,460.07
  5. Step 5: Solve for x
    x = 317,196,460.07/20,284.14
  6. Step 6: Final answer
    x = 15,637.66

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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.