Home / 11,126.43-15,355.83-6,650.14

Finding the Fourth Proportional to 11,126.43, 15,355.83 and 6,650.14

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Solution

The fourth proportional to 11,126.43, 15,355.83 and 6,650.14 is: 9,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.43 : 15,355.83 = 6,650.14 : x
  2. Step 2: Convert to fraction form
    11,126.43/15,355.83 = 6,650.14/x
  3. Step 3: Cross multiply
    11,126.43x = 15,355.83 × 6,650.14
  4. Step 4: Simplify right side
    11,126.43x = 102,118,419.32
  5. Step 5: Solve for x
    x = 102,118,419.32/11,126.43
  6. Step 6: Final answer
    x = 9,178.01

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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.