Home / 10,997.56-15,178.18-6,282.12

Finding the Fourth Proportional to 10,997.56, 15,178.18 and 6,282.12

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Solution

The fourth proportional to 10,997.56, 15,178.18 and 6,282.12 is: 8,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.56 : 15,178.18 = 6,282.12 : x
  2. Step 2: Convert to fraction form
    10,997.56/15,178.18 = 6,282.12/x
  3. Step 3: Cross multiply
    10,997.56x = 15,178.18 × 6,282.12
  4. Step 4: Simplify right side
    10,997.56x = 95,351,148.14
  5. Step 5: Solve for x
    x = 95,351,148.14/10,997.56
  6. Step 6: Final answer
    x = 8,670.21

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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.