Home / 10,919.08-16,373.82-3,126.12

Finding the Fourth Proportional to 10,919.08, 16,373.82 and 3,126.12

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Solution

The fourth proportional to 10,919.08, 16,373.82 and 3,126.12 is: 4,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.08 : 16,373.82 = 3,126.12 : x
  2. Step 2: Convert to fraction form
    10,919.08/16,373.82 = 3,126.12/x
  3. Step 3: Cross multiply
    10,919.08x = 16,373.82 × 3,126.12
  4. Step 4: Simplify right side
    10,919.08x = 51,186,526.18
  5. Step 5: Solve for x
    x = 51,186,526.18/10,919.08
  6. Step 6: Final answer
    x = 4,687.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.