Home / 20,214.64-27,896.04-11,261.68

Finding the Fourth Proportional to 20,214.64, 27,896.04 and 11,261.68

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Solution

The fourth proportional to 20,214.64, 27,896.04 and 11,261.68 is: 15,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.64 : 27,896.04 = 11,261.68 : x
  2. Step 2: Convert to fraction form
    20,214.64/27,896.04 = 11,261.68/x
  3. Step 3: Cross multiply
    20,214.64x = 27,896.04 × 11,261.68
  4. Step 4: Simplify right side
    20,214.64x = 314,156,275.75
  5. Step 5: Solve for x
    x = 314,156,275.75/20,214.64
  6. Step 6: Final answer
    x = 15,541.03

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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.