Home / 10,958.49-16,447.50-5,118.39

Finding the Fourth Proportional to 10,958.49, 16,447.50 and 5,118.39

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Solution

The fourth proportional to 10,958.49, 16,447.50 and 5,118.39 is: 7,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.49 : 16,447.50 = 5,118.39 : x
  2. Step 2: Convert to fraction form
    10,958.49/16,447.50 = 5,118.39/x
  3. Step 3: Cross multiply
    10,958.49x = 16,447.50 × 5,118.39
  4. Step 4: Simplify right side
    10,958.49x = 84,184,719.53
  5. Step 5: Solve for x
    x = 84,184,719.53/10,958.49
  6. Step 6: Final answer
    x = 7,682.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.