Home / 11,781.23-17,640.29-6,223.07

Finding the Fourth Proportional to 11,781.23, 17,640.29 and 6,223.07

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Solution

The fourth proportional to 11,781.23, 17,640.29 and 6,223.07 is: 9,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.23 : 17,640.29 = 6,223.07 : x
  2. Step 2: Convert to fraction form
    11,781.23/17,640.29 = 6,223.07/x
  3. Step 3: Cross multiply
    11,781.23x = 17,640.29 × 6,223.07
  4. Step 4: Simplify right side
    11,781.23x = 109,776,728.37
  5. Step 5: Solve for x
    x = 109,776,728.37/11,781.23
  6. Step 6: Final answer
    x = 9,317.93

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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.