Home / 18,261.57-27,393.32-5,782.91

Finding the Fourth Proportional to 18,261.57, 27,393.32 and 5,782.91

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Solution

The fourth proportional to 18,261.57, 27,393.32 and 5,782.91 is: 8,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.57 : 27,393.32 = 5,782.91 : x
  2. Step 2: Convert to fraction form
    18,261.57/27,393.32 = 5,782.91/x
  3. Step 3: Cross multiply
    18,261.57x = 27,393.32 × 5,782.91
  4. Step 4: Simplify right side
    18,261.57x = 158,413,187.10
  5. Step 5: Solve for x
    x = 158,413,187.10/18,261.57
  6. Step 6: Final answer
    x = 8,674.68

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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.