Home / 13,942.13-19,240.44-7,654.50

Finding the Fourth Proportional to 13,942.13, 19,240.44 and 7,654.50

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Solution

The fourth proportional to 13,942.13, 19,240.44 and 7,654.50 is: 10,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.13 : 19,240.44 = 7,654.50 : x
  2. Step 2: Convert to fraction form
    13,942.13/19,240.44 = 7,654.50/x
  3. Step 3: Cross multiply
    13,942.13x = 19,240.44 × 7,654.50
  4. Step 4: Simplify right side
    13,942.13x = 147,275,919.28
  5. Step 5: Solve for x
    x = 147,275,919.28/13,942.13
  6. Step 6: Final answer
    x = 10,563.38

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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.