Home / 11,077.09-15,288.75-6,363.97

Finding the Fourth Proportional to 11,077.09, 15,288.75 and 6,363.97

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Solution

The fourth proportional to 11,077.09, 15,288.75 and 6,363.97 is: 8,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.09 : 15,288.75 = 6,363.97 : x
  2. Step 2: Convert to fraction form
    11,077.09/15,288.75 = 6,363.97/x
  3. Step 3: Cross multiply
    11,077.09x = 15,288.75 × 6,363.97
  4. Step 4: Simplify right side
    11,077.09x = 97,297,146.34
  5. Step 5: Solve for x
    x = 97,297,146.34/11,077.09
  6. Step 6: Final answer
    x = 8,783.64

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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.