Home / 18,303.88-27,455.20-7,767.13

Finding the Fourth Proportional to 18,303.88, 27,455.20 and 7,767.13

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Solution

The fourth proportional to 18,303.88, 27,455.20 and 7,767.13 is: 11,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.88 : 27,455.20 = 7,767.13 : x
  2. Step 2: Convert to fraction form
    18,303.88/27,455.20 = 7,767.13/x
  3. Step 3: Cross multiply
    18,303.88x = 27,455.20 × 7,767.13
  4. Step 4: Simplify right side
    18,303.88x = 213,248,107.58
  5. Step 5: Solve for x
    x = 213,248,107.58/18,303.88
  6. Step 6: Final answer
    x = 11,650.43

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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.