Home / 11,923.13-17,884.69-3,715.13

Finding the Fourth Proportional to 11,923.13, 17,884.69 and 3,715.13

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Solution

The fourth proportional to 11,923.13, 17,884.69 and 3,715.13 is: 5,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.13 : 17,884.69 = 3,715.13 : x
  2. Step 2: Convert to fraction form
    11,923.13/17,884.69 = 3,715.13/x
  3. Step 3: Cross multiply
    11,923.13x = 17,884.69 × 3,715.13
  4. Step 4: Simplify right side
    11,923.13x = 66,443,948.36
  5. Step 5: Solve for x
    x = 66,443,948.36/11,923.13
  6. Step 6: Final answer
    x = 5,572.69

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1.5x scale

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.