Home / 11,286.08-15,567.08-7,743.14

Finding the Fourth Proportional to 11,286.08, 15,567.08 and 7,743.14

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Solution

The fourth proportional to 11,286.08, 15,567.08 and 7,743.14 is: 10,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.08 : 15,567.08 = 7,743.14 : x
  2. Step 2: Convert to fraction form
    11,286.08/15,567.08 = 7,743.14/x
  3. Step 3: Cross multiply
    11,286.08x = 15,567.08 × 7,743.14
  4. Step 4: Simplify right side
    11,286.08x = 120,537,963.28
  5. Step 5: Solve for x
    x = 120,537,963.28/11,286.08
  6. Step 6: Final answer
    x = 10,680.24

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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.