Home / 11,762.27-16,237.28-7,519.13

Finding the Fourth Proportional to 11,762.27, 16,237.28 and 7,519.13

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Solution

The fourth proportional to 11,762.27, 16,237.28 and 7,519.13 is: 10,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.27 : 16,237.28 = 7,519.13 : x
  2. Step 2: Convert to fraction form
    11,762.27/16,237.28 = 7,519.13/x
  3. Step 3: Cross multiply
    11,762.27x = 16,237.28 × 7,519.13
  4. Step 4: Simplify right side
    11,762.27x = 122,090,181.57
  5. Step 5: Solve for x
    x = 122,090,181.57/11,762.27
  6. Step 6: Final answer
    x = 10,379.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.