Home / 13,514.48-20,273.88-4,749.68

Finding the Fourth Proportional to 13,514.48, 20,273.88 and 4,749.68

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Solution

The fourth proportional to 13,514.48, 20,273.88 and 4,749.68 is: 7,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.48 : 20,273.88 = 4,749.68 : x
  2. Step 2: Convert to fraction form
    13,514.48/20,273.88 = 4,749.68/x
  3. Step 3: Cross multiply
    13,514.48x = 20,273.88 × 4,749.68
  4. Step 4: Simplify right side
    13,514.48x = 96,294,442.36
  5. Step 5: Solve for x
    x = 96,294,442.36/13,514.48
  6. Step 6: Final answer
    x = 7,125.28

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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.