Home / 11,025.95-15,215.88-5,990.16

Finding the Fourth Proportional to 11,025.95, 15,215.88 and 5,990.16

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Solution

The fourth proportional to 11,025.95, 15,215.88 and 5,990.16 is: 8,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.95 : 15,215.88 = 5,990.16 : x
  2. Step 2: Convert to fraction form
    11,025.95/15,215.88 = 5,990.16/x
  3. Step 3: Cross multiply
    11,025.95x = 15,215.88 × 5,990.16
  4. Step 4: Simplify right side
    11,025.95x = 91,145,616.68
  5. Step 5: Solve for x
    x = 91,145,616.68/11,025.95
  6. Step 6: Final answer
    x = 8,266.47

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Half scale
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Double scale
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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.