Home / 11,003.20-15,164.58-8,014.30

Finding the Fourth Proportional to 11,003.20, 15,164.58 and 8,014.30

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Solution

The fourth proportional to 11,003.20, 15,164.58 and 8,014.30 is: 11,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.20 : 15,164.58 = 8,014.30 : x
  2. Step 2: Convert to fraction form
    11,003.20/15,164.58 = 8,014.30/x
  3. Step 3: Cross multiply
    11,003.20x = 15,164.58 × 8,014.30
  4. Step 4: Simplify right side
    11,003.20x = 121,533,485.64
  5. Step 5: Solve for x
    x = 121,533,485.64/11,003.20
  6. Step 6: Final answer
    x = 11,045.29

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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.