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Finding the Fourth Proportional to 11,364.35, 15,684.02 and 6,652.58

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Solution

The fourth proportional to 11,364.35, 15,684.02 and 6,652.58 is: 9,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.35 : 15,684.02 = 6,652.58 : x
  2. Step 2: Convert to fraction form
    11,364.35/15,684.02 = 6,652.58/x
  3. Step 3: Cross multiply
    11,364.35x = 15,684.02 × 6,652.58
  4. Step 4: Simplify right side
    11,364.35x = 104,339,197.77
  5. Step 5: Solve for x
    x = 104,339,197.77/11,364.35
  6. Step 6: Final answer
    x = 9,181.27

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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.