Home / 9,911.91-14,857.48-5,237.19

Finding the Fourth Proportional to 9,911.91, 14,857.48 and 5,237.19

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Solution

The fourth proportional to 9,911.91, 14,857.48 and 5,237.19 is: 7,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.91 : 14,857.48 = 5,237.19 : x
  2. Step 2: Convert to fraction form
    9,911.91/14,857.48 = 5,237.19/x
  3. Step 3: Cross multiply
    9,911.91x = 14,857.48 × 5,237.19
  4. Step 4: Simplify right side
    9,911.91x = 77,811,445.68
  5. Step 5: Solve for x
    x = 77,811,445.68/9,911.91
  6. Step 6: Final answer
    x = 7,850.30

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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.