Home / 19,577.64-27,016.76-11,079.43

Finding the Fourth Proportional to 19,577.64, 27,016.76 and 11,079.43

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Solution

The fourth proportional to 19,577.64, 27,016.76 and 11,079.43 is: 15,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.64 : 27,016.76 = 11,079.43 : x
  2. Step 2: Convert to fraction form
    19,577.64/27,016.76 = 11,079.43/x
  3. Step 3: Cross multiply
    19,577.64x = 27,016.76 × 11,079.43
  4. Step 4: Simplify right side
    19,577.64x = 299,330,261.40
  5. Step 5: Solve for x
    x = 299,330,261.40/19,577.64
  6. Step 6: Final answer
    x = 15,289.39

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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.