Home / 11,126.87-15,355.32-6,091.31

Finding the Fourth Proportional to 11,126.87, 15,355.32 and 6,091.31

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Solution

The fourth proportional to 11,126.87, 15,355.32 and 6,091.31 is: 8,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.87 : 15,355.32 = 6,091.31 : x
  2. Step 2: Convert to fraction form
    11,126.87/15,355.32 = 6,091.31/x
  3. Step 3: Cross multiply
    11,126.87x = 15,355.32 × 6,091.31
  4. Step 4: Simplify right side
    11,126.87x = 93,533,937.49
  5. Step 5: Solve for x
    x = 93,533,937.49/11,126.87
  6. Step 6: Final answer
    x = 8,406.14

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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.