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Finding the Fourth Proportional to 11,135.52, 15,367.02 and 6,167.52

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Solution

The fourth proportional to 11,135.52, 15,367.02 and 6,167.52 is: 8,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.52 : 15,367.02 = 6,167.52 : x
  2. Step 2: Convert to fraction form
    11,135.52/15,367.02 = 6,167.52/x
  3. Step 3: Cross multiply
    11,135.52x = 15,367.02 × 6,167.52
  4. Step 4: Simplify right side
    11,135.52x = 94,776,403.19
  5. Step 5: Solve for x
    x = 94,776,403.19/11,135.52
  6. Step 6: Final answer
    x = 8,511.18

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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.