Home / 11,520.32-15,893.34-6,671.84

Finding the Fourth Proportional to 11,520.32, 15,893.34 and 6,671.84

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Solution

The fourth proportional to 11,520.32, 15,893.34 and 6,671.84 is: 9,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.32 : 15,893.34 = 6,671.84 : x
  2. Step 2: Convert to fraction form
    11,520.32/15,893.34 = 6,671.84/x
  3. Step 3: Cross multiply
    11,520.32x = 15,893.34 × 6,671.84
  4. Step 4: Simplify right side
    11,520.32x = 106,037,821.55
  5. Step 5: Solve for x
    x = 106,037,821.55/11,520.32
  6. Step 6: Final answer
    x = 9,204.42

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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.