Home / 11,028.69-15,218.69-6,553.53

Finding the Fourth Proportional to 11,028.69, 15,218.69 and 6,553.53

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Solution

The fourth proportional to 11,028.69, 15,218.69 and 6,553.53 is: 9,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.69 : 15,218.69 = 6,553.53 : x
  2. Step 2: Convert to fraction form
    11,028.69/15,218.69 = 6,553.53/x
  3. Step 3: Cross multiply
    11,028.69x = 15,218.69 × 6,553.53
  4. Step 4: Simplify right side
    11,028.69x = 99,736,108.71
  5. Step 5: Solve for x
    x = 99,736,108.71/11,028.69
  6. Step 6: Final answer
    x = 9,043.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.