Home / 11,021.53-15,207.34-6,546.79

Finding the Fourth Proportional to 11,021.53, 15,207.34 and 6,546.79

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Solution

The fourth proportional to 11,021.53, 15,207.34 and 6,546.79 is: 9,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.53 : 15,207.34 = 6,546.79 : x
  2. Step 2: Convert to fraction form
    11,021.53/15,207.34 = 6,546.79/x
  3. Step 3: Cross multiply
    11,021.53x = 15,207.34 × 6,546.79
  4. Step 4: Simplify right side
    11,021.53x = 99,559,261.44
  5. Step 5: Solve for x
    x = 99,559,261.44/11,021.53
  6. Step 6: Final answer
    x = 9,033.16

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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.