Home / 11,135.63-15,367.17-6,167.63

Finding the Fourth Proportional to 11,135.63, 15,367.17 and 6,167.63

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Solution

The fourth proportional to 11,135.63, 15,367.17 and 6,167.63 is: 8,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.63 : 15,367.17 = 6,167.63 : x
  2. Step 2: Convert to fraction form
    11,135.63/15,367.17 = 6,167.63/x
  3. Step 3: Cross multiply
    11,135.63x = 15,367.17 × 6,167.63
  4. Step 4: Simplify right side
    11,135.63x = 94,778,941.87
  5. Step 5: Solve for x
    x = 94,778,941.87/11,135.63
  6. Step 6: Final answer
    x = 8,511.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.