Home / 18,357.29-27,536.98-5,208.63

Finding the Fourth Proportional to 18,357.29, 27,536.98 and 5,208.63

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Solution

The fourth proportional to 18,357.29, 27,536.98 and 5,208.63 is: 7,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.29 : 27,536.98 = 5,208.63 : x
  2. Step 2: Convert to fraction form
    18,357.29/27,536.98 = 5,208.63/x
  3. Step 3: Cross multiply
    18,357.29x = 27,536.98 × 5,208.63
  4. Step 4: Simplify right side
    18,357.29x = 143,429,940.14
  5. Step 5: Solve for x
    x = 143,429,940.14/18,357.29
  6. Step 6: Final answer
    x = 7,813.24

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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.