Home / 11,446.13-15,794.55-6,409.96

Finding the Fourth Proportional to 11,446.13, 15,794.55 and 6,409.96

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Solution

The fourth proportional to 11,446.13, 15,794.55 and 6,409.96 is: 8,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.13 : 15,794.55 = 6,409.96 : x
  2. Step 2: Convert to fraction form
    11,446.13/15,794.55 = 6,409.96/x
  3. Step 3: Cross multiply
    11,446.13x = 15,794.55 × 6,409.96
  4. Step 4: Simplify right side
    11,446.13x = 101,242,394.23
  5. Step 5: Solve for x
    x = 101,242,394.23/11,446.13
  6. Step 6: Final answer
    x = 8,845.12

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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.