Home / 12,761.36-19,106.08-9,631.41

Finding the Fourth Proportional to 12,761.36, 19,106.08 and 9,631.41

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Solution

The fourth proportional to 12,761.36, 19,106.08 and 9,631.41 is: 14,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.36 : 19,106.08 = 9,631.41 : x
  2. Step 2: Convert to fraction form
    12,761.36/19,106.08 = 9,631.41/x
  3. Step 3: Cross multiply
    12,761.36x = 19,106.08 × 9,631.41
  4. Step 4: Simplify right side
    12,761.36x = 184,018,489.97
  5. Step 5: Solve for x
    x = 184,018,489.97/12,761.36
  6. Step 6: Final answer
    x = 14,419.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.