Home / 9,721.74-14,584.93-3,147.93

Finding the Fourth Proportional to 9,721.74, 14,584.93 and 3,147.93

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Solution

The fourth proportional to 9,721.74, 14,584.93 and 3,147.93 is: 4,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.74 : 14,584.93 = 3,147.93 : x
  2. Step 2: Convert to fraction form
    9,721.74/14,584.93 = 3,147.93/x
  3. Step 3: Cross multiply
    9,721.74x = 14,584.93 × 3,147.93
  4. Step 4: Simplify right side
    9,721.74x = 45,912,338.69
  5. Step 5: Solve for x
    x = 45,912,338.69/9,721.74
  6. Step 6: Final answer
    x = 4,722.65

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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.