Home / 18,338.64-27,510.12-5,859.36

Finding the Fourth Proportional to 18,338.64, 27,510.12 and 5,859.36

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Solution

The fourth proportional to 18,338.64, 27,510.12 and 5,859.36 is: 8,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.64 : 27,510.12 = 5,859.36 : x
  2. Step 2: Convert to fraction form
    18,338.64/27,510.12 = 5,859.36/x
  3. Step 3: Cross multiply
    18,338.64x = 27,510.12 × 5,859.36
  4. Step 4: Simplify right side
    18,338.64x = 161,191,696.72
  5. Step 5: Solve for x
    x = 161,191,696.72/18,338.64
  6. Step 6: Final answer
    x = 8,789.73

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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.