Home / 11,193.39-15,442.11-6,412.50

Finding the Fourth Proportional to 11,193.39, 15,442.11 and 6,412.50

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Solution

The fourth proportional to 11,193.39, 15,442.11 and 6,412.50 is: 8,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.39 : 15,442.11 = 6,412.50 : x
  2. Step 2: Convert to fraction form
    11,193.39/15,442.11 = 6,412.50/x
  3. Step 3: Cross multiply
    11,193.39x = 15,442.11 × 6,412.50
  4. Step 4: Simplify right side
    11,193.39x = 99,022,530.38
  5. Step 5: Solve for x
    x = 99,022,530.38/11,193.39
  6. Step 6: Final answer
    x = 8,846.52

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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.