Home / 18,550.52-27,834.72-8,688.26

Finding the Fourth Proportional to 18,550.52, 27,834.72 and 8,688.26

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Solution

The fourth proportional to 18,550.52, 27,834.72 and 8,688.26 is: 13,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.52 : 27,834.72 = 8,688.26 : x
  2. Step 2: Convert to fraction form
    18,550.52/27,834.72 = 8,688.26/x
  3. Step 3: Cross multiply
    18,550.52x = 27,834.72 × 8,688.26
  4. Step 4: Simplify right side
    18,550.52x = 241,835,284.39
  5. Step 5: Solve for x
    x = 241,835,284.39/18,550.52
  6. Step 6: Final answer
    x = 13,036.58

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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.