Home / 10,814.67-16,220.64-3,418.53

Finding the Fourth Proportional to 10,814.67, 16,220.64 and 3,418.53

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Solution

The fourth proportional to 10,814.67, 16,220.64 and 3,418.53 is: 5,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.67 : 16,220.64 = 3,418.53 : x
  2. Step 2: Convert to fraction form
    10,814.67/16,220.64 = 3,418.53/x
  3. Step 3: Cross multiply
    10,814.67x = 16,220.64 × 3,418.53
  4. Step 4: Simplify right side
    10,814.67x = 55,450,744.46
  5. Step 5: Solve for x
    x = 55,450,744.46/10,814.67
  6. Step 6: Final answer
    x = 5,127.36

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1.5x scale

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.