Home / 11,512.08-15,882.16-6,475.14

Finding the Fourth Proportional to 11,512.08, 15,882.16 and 6,475.14

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Solution

The fourth proportional to 11,512.08, 15,882.16 and 6,475.14 is: 8,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.08 : 15,882.16 = 6,475.14 : x
  2. Step 2: Convert to fraction form
    11,512.08/15,882.16 = 6,475.14/x
  3. Step 3: Cross multiply
    11,512.08x = 15,882.16 × 6,475.14
  4. Step 4: Simplify right side
    11,512.08x = 102,839,209.50
  5. Step 5: Solve for x
    x = 102,839,209.50/11,512.08
  6. Step 6: Final answer
    x = 8,933.16

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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.