Home / 9,910-14,869.86-4,071.52

Finding the Fourth Proportional to 9,910, 14,869.86 and 4,071.52

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Solution

The fourth proportional to 9,910, 14,869.86 and 4,071.52 is: 6,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910 : 14,869.86 = 4,071.52 : x
  2. Step 2: Convert to fraction form
    9,910/14,869.86 = 4,071.52/x
  3. Step 3: Cross multiply
    9,910x = 14,869.86 × 4,071.52
  4. Step 4: Simplify right side
    9,910x = 60,542,932.39
  5. Step 5: Solve for x
    x = 60,542,932.39/9,910
  6. Step 6: Final answer
    x = 6,109.28

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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.