Home / 13,514.39-20,272.66-4,751.27

Finding the Fourth Proportional to 13,514.39, 20,272.66 and 4,751.27

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Solution

The fourth proportional to 13,514.39, 20,272.66 and 4,751.27 is: 7,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.39 : 20,272.66 = 4,751.27 : x
  2. Step 2: Convert to fraction form
    13,514.39/20,272.66 = 4,751.27/x
  3. Step 3: Cross multiply
    13,514.39x = 20,272.66 × 4,751.27
  4. Step 4: Simplify right side
    13,514.39x = 96,320,881.28
  5. Step 5: Solve for x
    x = 96,320,881.28/13,514.39
  6. Step 6: Final answer
    x = 7,127.28

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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.