Home / 11,029.30-15,215.20-6,550.49

Finding the Fourth Proportional to 11,029.30, 15,215.20 and 6,550.49

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Solution

The fourth proportional to 11,029.30, 15,215.20 and 6,550.49 is: 9,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.30 : 15,215.20 = 6,550.49 : x
  2. Step 2: Convert to fraction form
    11,029.30/15,215.20 = 6,550.49/x
  3. Step 3: Cross multiply
    11,029.30x = 15,215.20 × 6,550.49
  4. Step 4: Simplify right side
    11,029.30x = 99,667,037.11
  5. Step 5: Solve for x
    x = 99,667,037.11/11,029.30
  6. Step 6: Final answer
    x = 9,036.57

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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.