Home / 15,241.26-21,031.74-8,526.36

Finding the Fourth Proportional to 15,241.26, 21,031.74 and 8,526.36

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Solution

The fourth proportional to 15,241.26, 21,031.74 and 8,526.36 is: 11,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.26 : 21,031.74 = 8,526.36 : x
  2. Step 2: Convert to fraction form
    15,241.26/21,031.74 = 8,526.36/x
  3. Step 3: Cross multiply
    15,241.26x = 21,031.74 × 8,526.36
  4. Step 4: Simplify right side
    15,241.26x = 179,324,186.67
  5. Step 5: Solve for x
    x = 179,324,186.67/15,241.26
  6. Step 6: Final answer
    x = 11,765.71

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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.