Home / 9,814.50-14,721.75-3,658.50

Finding the Fourth Proportional to 9,814.50, 14,721.75 and 3,658.50

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Solution

The fourth proportional to 9,814.50, 14,721.75 and 3,658.50 is: 5,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.50 : 14,721.75 = 3,658.50 : x
  2. Step 2: Convert to fraction form
    9,814.50/14,721.75 = 3,658.50/x
  3. Step 3: Cross multiply
    9,814.50x = 14,721.75 × 3,658.50
  4. Step 4: Simplify right side
    9,814.50x = 53,859,522.38
  5. Step 5: Solve for x
    x = 53,859,522.38/9,814.50
  6. Step 6: Final answer
    x = 5,487.75

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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.