Home / 11,007.90-16,514.28-5,812.56

Finding the Fourth Proportional to 11,007.90, 16,514.28 and 5,812.56

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Solution

The fourth proportional to 11,007.90, 16,514.28 and 5,812.56 is: 8,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.90 : 16,514.28 = 5,812.56 : x
  2. Step 2: Convert to fraction form
    11,007.90/16,514.28 = 5,812.56/x
  3. Step 3: Cross multiply
    11,007.90x = 16,514.28 × 5,812.56
  4. Step 4: Simplify right side
    11,007.90x = 95,990,243.36
  5. Step 5: Solve for x
    x = 95,990,243.36/11,007.90
  6. Step 6: Final answer
    x = 8,720.12

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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.