Home / 9,904.70-14,865.90-5,227.76

Finding the Fourth Proportional to 9,904.70, 14,865.90 and 5,227.76

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Solution

The fourth proportional to 9,904.70, 14,865.90 and 5,227.76 is: 7,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.70 : 14,865.90 = 5,227.76 : x
  2. Step 2: Convert to fraction form
    9,904.70/14,865.90 = 5,227.76/x
  3. Step 3: Cross multiply
    9,904.70x = 14,865.90 × 5,227.76
  4. Step 4: Simplify right side
    9,904.70x = 77,715,357.38
  5. Step 5: Solve for x
    x = 77,715,357.38/9,904.70
  6. Step 6: Final answer
    x = 7,846.31

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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.