Home / 19,447.56-26,808.92-13,764.64

Finding the Fourth Proportional to 19,447.56, 26,808.92 and 13,764.64

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Solution

The fourth proportional to 19,447.56, 26,808.92 and 13,764.64 is: 18,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.56 : 26,808.92 = 13,764.64 : x
  2. Step 2: Convert to fraction form
    19,447.56/26,808.92 = 13,764.64/x
  3. Step 3: Cross multiply
    19,447.56x = 26,808.92 × 13,764.64
  4. Step 4: Simplify right side
    19,447.56x = 369,015,132.59
  5. Step 5: Solve for x
    x = 369,015,132.59/19,447.56
  6. Step 6: Final answer
    x = 18,974.88

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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.