Home / 20,037.18-30,057.78-6,887.82

Finding the Fourth Proportional to 20,037.18, 30,057.78 and 6,887.82

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Solution

The fourth proportional to 20,037.18, 30,057.78 and 6,887.82 is: 10,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.18 : 30,057.78 = 6,887.82 : x
  2. Step 2: Convert to fraction form
    20,037.18/30,057.78 = 6,887.82/x
  3. Step 3: Cross multiply
    20,037.18x = 30,057.78 × 6,887.82
  4. Step 4: Simplify right side
    20,037.18x = 207,032,578.24
  5. Step 5: Solve for x
    x = 207,032,578.24/20,037.18
  6. Step 6: Final answer
    x = 10,332.42

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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.