Home / 11,029.30-15,218.02-6,554.54

Finding the Fourth Proportional to 11,029.30, 15,218.02 and 6,554.54

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Solution

The fourth proportional to 11,029.30, 15,218.02 and 6,554.54 is: 9,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.30 : 15,218.02 = 6,554.54 : x
  2. Step 2: Convert to fraction form
    11,029.30/15,218.02 = 6,554.54/x
  3. Step 3: Cross multiply
    11,029.30x = 15,218.02 × 6,554.54
  4. Step 4: Simplify right side
    11,029.30x = 99,747,120.81
  5. Step 5: Solve for x
    x = 99,747,120.81/11,029.30
  6. Step 6: Final answer
    x = 9,043.83

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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.