Home / 10,011.43-13,815.77-5,474.13

Finding the Fourth Proportional to 10,011.43, 13,815.77 and 5,474.13

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Solution

The fourth proportional to 10,011.43, 13,815.77 and 5,474.13 is: 7,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.43 : 13,815.77 = 5,474.13 : x
  2. Step 2: Convert to fraction form
    10,011.43/13,815.77 = 5,474.13/x
  3. Step 3: Cross multiply
    10,011.43x = 13,815.77 × 5,474.13
  4. Step 4: Simplify right side
    10,011.43x = 75,629,321.03
  5. Step 5: Solve for x
    x = 75,629,321.03/10,011.43
  6. Step 6: Final answer
    x = 7,554.30

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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.