Home / 11,019.63-15,206.97-6,239.44

Finding the Fourth Proportional to 11,019.63, 15,206.97 and 6,239.44

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Solution

The fourth proportional to 11,019.63, 15,206.97 and 6,239.44 is: 8,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.63 : 15,206.97 = 6,239.44 : x
  2. Step 2: Convert to fraction form
    11,019.63/15,206.97 = 6,239.44/x
  3. Step 3: Cross multiply
    11,019.63x = 15,206.97 × 6,239.44
  4. Step 4: Simplify right side
    11,019.63x = 94,882,869.66
  5. Step 5: Solve for x
    x = 94,882,869.66/11,019.63
  6. Step 6: Final answer
    x = 8,610.35

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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.