Home / 13,942.23-19,237.77-7,892.43

Finding the Fourth Proportional to 13,942.23, 19,237.77 and 7,892.43

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Solution

The fourth proportional to 13,942.23, 19,237.77 and 7,892.43 is: 10,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.23 : 19,237.77 = 7,892.43 : x
  2. Step 2: Convert to fraction form
    13,942.23/19,237.77 = 7,892.43/x
  3. Step 3: Cross multiply
    13,942.23x = 19,237.77 × 7,892.43
  4. Step 4: Simplify right side
    13,942.23x = 151,832,753.08
  5. Step 5: Solve for x
    x = 151,832,753.08/13,942.23
  6. Step 6: Final answer
    x = 10,890.13

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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.