Home / 11,004.21-15,188.01-6,530.43

Finding the Fourth Proportional to 11,004.21, 15,188.01 and 6,530.43

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Solution

The fourth proportional to 11,004.21, 15,188.01 and 6,530.43 is: 9,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.21 : 15,188.01 = 6,530.43 : x
  2. Step 2: Convert to fraction form
    11,004.21/15,188.01 = 6,530.43/x
  3. Step 3: Cross multiply
    11,004.21x = 15,188.01 × 6,530.43
  4. Step 4: Simplify right side
    11,004.21x = 99,184,236.14
  5. Step 5: Solve for x
    x = 99,184,236.14/11,004.21
  6. Step 6: Final answer
    x = 9,013.30

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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.