Home / 13,514.38-20,266.68-5,190.10

Finding the Fourth Proportional to 13,514.38, 20,266.68 and 5,190.10

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Solution

The fourth proportional to 13,514.38, 20,266.68 and 5,190.10 is: 7,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.38 : 20,266.68 = 5,190.10 : x
  2. Step 2: Convert to fraction form
    13,514.38/20,266.68 = 5,190.10/x
  3. Step 3: Cross multiply
    13,514.38x = 20,266.68 × 5,190.10
  4. Step 4: Simplify right side
    13,514.38x = 105,186,095.87
  5. Step 5: Solve for x
    x = 105,186,095.87/13,514.38
  6. Step 6: Final answer
    x = 7,783.27

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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.