Home / 20,536.03-28,339.77-11,104.59

Finding the Fourth Proportional to 20,536.03, 28,339.77 and 11,104.59

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Solution

The fourth proportional to 20,536.03, 28,339.77 and 11,104.59 is: 15,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.03 : 28,339.77 = 11,104.59 : x
  2. Step 2: Convert to fraction form
    20,536.03/28,339.77 = 11,104.59/x
  3. Step 3: Cross multiply
    20,536.03x = 28,339.77 × 11,104.59
  4. Step 4: Simplify right side
    20,536.03x = 314,701,674.46
  5. Step 5: Solve for x
    x = 314,701,674.46/20,536.03
  6. Step 6: Final answer
    x = 15,324.37

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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.