Home / 19,415.36-26,764.92-13,732.40

Finding the Fourth Proportional to 19,415.36, 26,764.92 and 13,732.40

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Solution

The fourth proportional to 19,415.36, 26,764.92 and 13,732.40 is: 18,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.36 : 26,764.92 = 13,732.40 : x
  2. Step 2: Convert to fraction form
    19,415.36/26,764.92 = 13,732.40/x
  3. Step 3: Cross multiply
    19,415.36x = 26,764.92 × 13,732.40
  4. Step 4: Simplify right side
    19,415.36x = 367,546,587.41
  5. Step 5: Solve for x
    x = 367,546,587.41/19,415.36
  6. Step 6: Final answer
    x = 18,930.71

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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.