Home / 11,021.19-15,208.94-6,305.18

Finding the Fourth Proportional to 11,021.19, 15,208.94 and 6,305.18

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Solution

The fourth proportional to 11,021.19, 15,208.94 and 6,305.18 is: 8,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.19 : 15,208.94 = 6,305.18 : x
  2. Step 2: Convert to fraction form
    11,021.19/15,208.94 = 6,305.18/x
  3. Step 3: Cross multiply
    11,021.19x = 15,208.94 × 6,305.18
  4. Step 4: Simplify right side
    11,021.19x = 95,894,996.74
  5. Step 5: Solve for x
    x = 95,894,996.74/11,021.19
  6. Step 6: Final answer
    x = 8,700.97

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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.