Home / 20,213.63-27,894.83-11,261.16

Finding the Fourth Proportional to 20,213.63, 27,894.83 and 11,261.16

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Solution

The fourth proportional to 20,213.63, 27,894.83 and 11,261.16 is: 15,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.63 : 27,894.83 = 11,261.16 : x
  2. Step 2: Convert to fraction form
    20,213.63/27,894.83 = 11,261.16/x
  3. Step 3: Cross multiply
    20,213.63x = 27,894.83 × 11,261.16
  4. Step 4: Simplify right side
    20,213.63x = 314,127,948.02
  5. Step 5: Solve for x
    x = 314,127,948.02/20,213.63
  6. Step 6: Final answer
    x = 15,540.40

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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.