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Finding the Fourth Proportional to 11,118, 16,655.04 and 8,347.92

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Solution

The fourth proportional to 11,118, 16,655.04 and 8,347.92 is: 12,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118 : 16,655.04 = 8,347.92 : x
  2. Step 2: Convert to fraction form
    11,118/16,655.04 = 8,347.92/x
  3. Step 3: Cross multiply
    11,118x = 16,655.04 × 8,347.92
  4. Step 4: Simplify right side
    11,118x = 139,034,941.52
  5. Step 5: Solve for x
    x = 139,034,941.52/11,118
  6. Step 6: Final answer
    x = 12,505.39

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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.