Home / 11,346.08-15,653.82-6,868.12

Finding the Fourth Proportional to 11,346.08, 15,653.82 and 6,868.12

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Solution

The fourth proportional to 11,346.08, 15,653.82 and 6,868.12 is: 9,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.08 : 15,653.82 = 6,868.12 : x
  2. Step 2: Convert to fraction form
    11,346.08/15,653.82 = 6,868.12/x
  3. Step 3: Cross multiply
    11,346.08x = 15,653.82 × 6,868.12
  4. Step 4: Simplify right side
    11,346.08x = 107,512,314.22
  5. Step 5: Solve for x
    x = 107,512,314.22/11,346.08
  6. Step 6: Final answer
    x = 9,475.72

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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.