Home / 18,688.82-28,037.97-6,208.91

Finding the Fourth Proportional to 18,688.82, 28,037.97 and 6,208.91

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Solution

The fourth proportional to 18,688.82, 28,037.97 and 6,208.91 is: 9,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.82 : 28,037.97 = 6,208.91 : x
  2. Step 2: Convert to fraction form
    18,688.82/28,037.97 = 6,208.91/x
  3. Step 3: Cross multiply
    18,688.82x = 28,037.97 × 6,208.91
  4. Step 4: Simplify right side
    18,688.82x = 174,085,232.31
  5. Step 5: Solve for x
    x = 174,085,232.31/18,688.82
  6. Step 6: Final answer
    x = 9,314.94

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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.