Home / 11,035.10-15,228.29-5,999.20

Finding the Fourth Proportional to 11,035.10, 15,228.29 and 5,999.20

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Solution

The fourth proportional to 11,035.10, 15,228.29 and 5,999.20 is: 8,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.10 : 15,228.29 = 5,999.20 : x
  2. Step 2: Convert to fraction form
    11,035.10/15,228.29 = 5,999.20/x
  3. Step 3: Cross multiply
    11,035.10x = 15,228.29 × 5,999.20
  4. Step 4: Simplify right side
    11,035.10x = 91,357,500.55
  5. Step 5: Solve for x
    x = 91,357,500.55/11,035.10
  6. Step 6: Final answer
    x = 8,278.81

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Half scale
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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.