Home / 11,029.57-15,219.09-6,553.20

Finding the Fourth Proportional to 11,029.57, 15,219.09 and 6,553.20

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Solution

The fourth proportional to 11,029.57, 15,219.09 and 6,553.20 is: 9,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.57 : 15,219.09 = 6,553.20 : x
  2. Step 2: Convert to fraction form
    11,029.57/15,219.09 = 6,553.20/x
  3. Step 3: Cross multiply
    11,029.57x = 15,219.09 × 6,553.20
  4. Step 4: Simplify right side
    11,029.57x = 99,733,797.66
  5. Step 5: Solve for x
    x = 99,733,797.66/11,029.57
  6. Step 6: Final answer
    x = 9,042.40

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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.