Home / 11,720.42-17,586.03-5,881.22

Finding the Fourth Proportional to 11,720.42, 17,586.03 and 5,881.22

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Solution

The fourth proportional to 11,720.42, 17,586.03 and 5,881.22 is: 8,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.42 : 17,586.03 = 5,881.22 : x
  2. Step 2: Convert to fraction form
    11,720.42/17,586.03 = 5,881.22/x
  3. Step 3: Cross multiply
    11,720.42x = 17,586.03 × 5,881.22
  4. Step 4: Simplify right side
    11,720.42x = 103,427,311.36
  5. Step 5: Solve for x
    x = 103,427,311.36/11,720.42
  6. Step 6: Final answer
    x = 8,824.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.