Home / 20,213.19-27,893.70-11,260.17

Finding the Fourth Proportional to 20,213.19, 27,893.70 and 11,260.17

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Solution

The fourth proportional to 20,213.19, 27,893.70 and 11,260.17 is: 15,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.19 : 27,893.70 = 11,260.17 : x
  2. Step 2: Convert to fraction form
    20,213.19/27,893.70 = 11,260.17/x
  3. Step 3: Cross multiply
    20,213.19x = 27,893.70 × 11,260.17
  4. Step 4: Simplify right side
    20,213.19x = 314,087,803.93
  5. Step 5: Solve for x
    x = 314,087,803.93/20,213.19
  6. Step 6: Final answer
    x = 15,538.75

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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.