Home / 11,959.17-17,938.74-4,162.50

Finding the Fourth Proportional to 11,959.17, 17,938.74 and 4,162.50

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Solution

The fourth proportional to 11,959.17, 17,938.74 and 4,162.50 is: 6,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.17 : 17,938.74 = 4,162.50 : x
  2. Step 2: Convert to fraction form
    11,959.17/17,938.74 = 4,162.50/x
  3. Step 3: Cross multiply
    11,959.17x = 17,938.74 × 4,162.50
  4. Step 4: Simplify right side
    11,959.17x = 74,670,005.25
  5. Step 5: Solve for x
    x = 74,670,005.25/11,959.17
  6. Step 6: Final answer
    x = 6,243.74

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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.