Home / 10,940.29-16,418.40-4,368.37

Finding the Fourth Proportional to 10,940.29, 16,418.40 and 4,368.37

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Solution

The fourth proportional to 10,940.29, 16,418.40 and 4,368.37 is: 6,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.29 : 16,418.40 = 4,368.37 : x
  2. Step 2: Convert to fraction form
    10,940.29/16,418.40 = 4,368.37/x
  3. Step 3: Cross multiply
    10,940.29x = 16,418.40 × 4,368.37
  4. Step 4: Simplify right side
    10,940.29x = 71,721,646.01
  5. Step 5: Solve for x
    x = 71,721,646.01/10,940.29
  6. Step 6: Final answer
    x = 6,555.74

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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.