Home / 11,028.52-16,513.28-9,278.92

Finding the Fourth Proportional to 11,028.52, 16,513.28 and 9,278.92

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Solution

The fourth proportional to 11,028.52, 16,513.28 and 9,278.92 is: 13,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.52 : 16,513.28 = 9,278.92 : x
  2. Step 2: Convert to fraction form
    11,028.52/16,513.28 = 9,278.92/x
  3. Step 3: Cross multiply
    11,028.52x = 16,513.28 × 9,278.92
  4. Step 4: Simplify right side
    11,028.52x = 153,225,404.06
  5. Step 5: Solve for x
    x = 153,225,404.06/11,028.52
  6. Step 6: Final answer
    x = 13,893.56

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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.