Home / 9,342.50-14,015.97-3,186.50

Finding the Fourth Proportional to 9,342.50, 14,015.97 and 3,186.50

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Solution

The fourth proportional to 9,342.50, 14,015.97 and 3,186.50 is: 4,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.50 : 14,015.97 = 3,186.50 : x
  2. Step 2: Convert to fraction form
    9,342.50/14,015.97 = 3,186.50/x
  3. Step 3: Cross multiply
    9,342.50x = 14,015.97 × 3,186.50
  4. Step 4: Simplify right side
    9,342.50x = 44,661,888.41
  5. Step 5: Solve for x
    x = 44,661,888.41/9,342.50
  6. Step 6: Final answer
    x = 4,780.51

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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.