Home / 18,357.91-27,536.37-5,210.28

Finding the Fourth Proportional to 18,357.91, 27,536.37 and 5,210.28

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Solution

The fourth proportional to 18,357.91, 27,536.37 and 5,210.28 is: 7,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.91 : 27,536.37 = 5,210.28 : x
  2. Step 2: Convert to fraction form
    18,357.91/27,536.37 = 5,210.28/x
  3. Step 3: Cross multiply
    18,357.91x = 27,536.37 × 5,210.28
  4. Step 4: Simplify right side
    18,357.91x = 143,472,060.20
  5. Step 5: Solve for x
    x = 143,472,060.20/18,357.91
  6. Step 6: Final answer
    x = 7,815.27

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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.