Home / 11,025.87-15,215.52-5,990.17

Finding the Fourth Proportional to 11,025.87, 15,215.52 and 5,990.17

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Solution

The fourth proportional to 11,025.87, 15,215.52 and 5,990.17 is: 8,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.87 : 15,215.52 = 5,990.17 : x
  2. Step 2: Convert to fraction form
    11,025.87/15,215.52 = 5,990.17/x
  3. Step 3: Cross multiply
    11,025.87x = 15,215.52 × 5,990.17
  4. Step 4: Simplify right side
    11,025.87x = 91,143,490.94
  5. Step 5: Solve for x
    x = 91,143,490.94/11,025.87
  6. Step 6: Final answer
    x = 8,266.33

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Half scale
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Double scale
Find fourth proportional to 11,026.87, 15,216.90 and 5,991.17
Similar ratio
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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.