Home / 11,699.27-16,145.01-6,394.17

Finding the Fourth Proportional to 11,699.27, 16,145.01 and 6,394.17

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Solution

The fourth proportional to 11,699.27, 16,145.01 and 6,394.17 is: 8,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.27 : 16,145.01 = 6,394.17 : x
  2. Step 2: Convert to fraction form
    11,699.27/16,145.01 = 6,394.17/x
  3. Step 3: Cross multiply
    11,699.27x = 16,145.01 × 6,394.17
  4. Step 4: Simplify right side
    11,699.27x = 103,233,938.59
  5. Step 5: Solve for x
    x = 103,233,938.59/11,699.27
  6. Step 6: Final answer
    x = 8,823.96

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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.