Home / 15,208.26-20,988.21-8,494.03

Finding the Fourth Proportional to 15,208.26, 20,988.21 and 8,494.03

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Solution

The fourth proportional to 15,208.26, 20,988.21 and 8,494.03 is: 11,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.26 : 20,988.21 = 8,494.03 : x
  2. Step 2: Convert to fraction form
    15,208.26/20,988.21 = 8,494.03/x
  3. Step 3: Cross multiply
    15,208.26x = 20,988.21 × 8,494.03
  4. Step 4: Simplify right side
    15,208.26x = 178,274,543.47
  5. Step 5: Solve for x
    x = 178,274,543.47/15,208.26
  6. Step 6: Final answer
    x = 11,722.22

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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.