Home / 11,536.26-15,903.45-8,218.50

Finding the Fourth Proportional to 11,536.26, 15,903.45 and 8,218.50

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Solution

The fourth proportional to 11,536.26, 15,903.45 and 8,218.50 is: 11,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.26 : 15,903.45 = 8,218.50 : x
  2. Step 2: Convert to fraction form
    11,536.26/15,903.45 = 8,218.50/x
  3. Step 3: Cross multiply
    11,536.26x = 15,903.45 × 8,218.50
  4. Step 4: Simplify right side
    11,536.26x = 130,702,503.83
  5. Step 5: Solve for x
    x = 130,702,503.83/11,536.26
  6. Step 6: Final answer
    x = 11,329.71

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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.