Home / 11,142.74-16,715.22-4,124.63

Finding the Fourth Proportional to 11,142.74, 16,715.22 and 4,124.63

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Solution

The fourth proportional to 11,142.74, 16,715.22 and 4,124.63 is: 6,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.74 : 16,715.22 = 4,124.63 : x
  2. Step 2: Convert to fraction form
    11,142.74/16,715.22 = 4,124.63/x
  3. Step 3: Cross multiply
    11,142.74x = 16,715.22 × 4,124.63
  4. Step 4: Simplify right side
    11,142.74x = 68,944,097.87
  5. Step 5: Solve for x
    x = 68,944,097.87/11,142.74
  6. Step 6: Final answer
    x = 6,187.36

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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.