Home / 11,135.47-16,676.70-6,445.60

Finding the Fourth Proportional to 11,135.47, 16,676.70 and 6,445.60

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Solution

The fourth proportional to 11,135.47, 16,676.70 and 6,445.60 is: 9,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.47 : 16,676.70 = 6,445.60 : x
  2. Step 2: Convert to fraction form
    11,135.47/16,676.70 = 6,445.60/x
  3. Step 3: Cross multiply
    11,135.47x = 16,676.70 × 6,445.60
  4. Step 4: Simplify right side
    11,135.47x = 107,491,337.52
  5. Step 5: Solve for x
    x = 107,491,337.52/11,135.47
  6. Step 6: Final answer
    x = 9,653.06

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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.