Home / 11,311.29-15,607.56-6,832.05

Finding the Fourth Proportional to 11,311.29, 15,607.56 and 6,832.05

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Solution

The fourth proportional to 11,311.29, 15,607.56 and 6,832.05 is: 9,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.29 : 15,607.56 = 6,832.05 : x
  2. Step 2: Convert to fraction form
    11,311.29/15,607.56 = 6,832.05/x
  3. Step 3: Cross multiply
    11,311.29x = 15,607.56 × 6,832.05
  4. Step 4: Simplify right side
    11,311.29x = 106,631,630.30
  5. Step 5: Solve for x
    x = 106,631,630.30/11,311.29
  6. Step 6: Final answer
    x = 9,427.01

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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.