Home / 11,135.69-16,691.46-5,575.63

Finding the Fourth Proportional to 11,135.69, 16,691.46 and 5,575.63

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Solution

The fourth proportional to 11,135.69, 16,691.46 and 5,575.63 is: 8,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.69 : 16,691.46 = 5,575.63 : x
  2. Step 2: Convert to fraction form
    11,135.69/16,691.46 = 5,575.63/x
  3. Step 3: Cross multiply
    11,135.69x = 16,691.46 × 5,575.63
  4. Step 4: Simplify right side
    11,135.69x = 93,065,405.12
  5. Step 5: Solve for x
    x = 93,065,405.12/11,135.69
  6. Step 6: Final answer
    x = 8,357.40

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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.