Home / 11,513.67-15,888.29-6,797.04

Finding the Fourth Proportional to 11,513.67, 15,888.29 and 6,797.04

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Solution

The fourth proportional to 11,513.67, 15,888.29 and 6,797.04 is: 9,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.67 : 15,888.29 = 6,797.04 : x
  2. Step 2: Convert to fraction form
    11,513.67/15,888.29 = 6,797.04/x
  3. Step 3: Cross multiply
    11,513.67x = 15,888.29 × 6,797.04
  4. Step 4: Simplify right side
    11,513.67x = 107,993,308.68
  5. Step 5: Solve for x
    x = 107,993,308.68/11,513.67
  6. Step 6: Final answer
    x = 9,379.57

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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.