Home / 11,112.60-16,676.10-6,432.60

Finding the Fourth Proportional to 11,112.60, 16,676.10 and 6,432.60

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Solution

The fourth proportional to 11,112.60, 16,676.10 and 6,432.60 is: 9,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.60 : 16,676.10 = 6,432.60 : x
  2. Step 2: Convert to fraction form
    11,112.60/16,676.10 = 6,432.60/x
  3. Step 3: Cross multiply
    11,112.60x = 16,676.10 × 6,432.60
  4. Step 4: Simplify right side
    11,112.60x = 107,270,680.86
  5. Step 5: Solve for x
    x = 107,270,680.86/11,112.60
  6. Step 6: Final answer
    x = 9,653.07

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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.