Home / 10,339.78-14,268.90-5,623.96

Finding the Fourth Proportional to 10,339.78, 14,268.90 and 5,623.96

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Solution

The fourth proportional to 10,339.78, 14,268.90 and 5,623.96 is: 7,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.78 : 14,268.90 = 5,623.96 : x
  2. Step 2: Convert to fraction form
    10,339.78/14,268.90 = 5,623.96/x
  3. Step 3: Cross multiply
    10,339.78x = 14,268.90 × 5,623.96
  4. Step 4: Simplify right side
    10,339.78x = 80,247,722.84
  5. Step 5: Solve for x
    x = 80,247,722.84/10,339.78
  6. Step 6: Final answer
    x = 7,761.07

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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.