Home / 19,684.36-27,168.66-11,305.48

Finding the Fourth Proportional to 19,684.36, 27,168.66 and 11,305.48

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Solution

The fourth proportional to 19,684.36, 27,168.66 and 11,305.48 is: 15,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.36 : 27,168.66 = 11,305.48 : x
  2. Step 2: Convert to fraction form
    19,684.36/27,168.66 = 11,305.48/x
  3. Step 3: Cross multiply
    19,684.36x = 27,168.66 × 11,305.48
  4. Step 4: Simplify right side
    19,684.36x = 307,154,742.26
  5. Step 5: Solve for x
    x = 307,154,742.26/19,684.36
  6. Step 6: Final answer
    x = 15,604.00

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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.