Home / 11,279.83-15,564.01-6,243.82

Finding the Fourth Proportional to 11,279.83, 15,564.01 and 6,243.82

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Solution

The fourth proportional to 11,279.83, 15,564.01 and 6,243.82 is: 8,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.83 : 15,564.01 = 6,243.82 : x
  2. Step 2: Convert to fraction form
    11,279.83/15,564.01 = 6,243.82/x
  3. Step 3: Cross multiply
    11,279.83x = 15,564.01 × 6,243.82
  4. Step 4: Simplify right side
    11,279.83x = 97,178,876.92
  5. Step 5: Solve for x
    x = 97,178,876.92/11,279.83
  6. Step 6: Final answer
    x = 8,615.28

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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.