Home / 11,228.99-16,851.29-7,270.47

Finding the Fourth Proportional to 11,228.99, 16,851.29 and 7,270.47

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Solution

The fourth proportional to 11,228.99, 16,851.29 and 7,270.47 is: 10,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.99 : 16,851.29 = 7,270.47 : x
  2. Step 2: Convert to fraction form
    11,228.99/16,851.29 = 7,270.47/x
  3. Step 3: Cross multiply
    11,228.99x = 16,851.29 × 7,270.47
  4. Step 4: Simplify right side
    11,228.99x = 122,516,720.01
  5. Step 5: Solve for x
    x = 122,516,720.01/11,228.99
  6. Step 6: Final answer
    x = 10,910.75

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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.