Home / 15,163.71-22,747.89-4,631.28

Finding the Fourth Proportional to 15,163.71, 22,747.89 and 4,631.28

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Solution

The fourth proportional to 15,163.71, 22,747.89 and 4,631.28 is: 6,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.71 : 22,747.89 = 4,631.28 : x
  2. Step 2: Convert to fraction form
    15,163.71/22,747.89 = 4,631.28/x
  3. Step 3: Cross multiply
    15,163.71x = 22,747.89 × 4,631.28
  4. Step 4: Simplify right side
    15,163.71x = 105,351,848.00
  5. Step 5: Solve for x
    x = 105,351,848.00/15,163.71
  6. Step 6: Final answer
    x = 6,947.63

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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.