Home / 10,207.21-14,086.07-5,731.09

Finding the Fourth Proportional to 10,207.21, 14,086.07 and 5,731.09

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Solution

The fourth proportional to 10,207.21, 14,086.07 and 5,731.09 is: 7,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.21 : 14,086.07 = 5,731.09 : x
  2. Step 2: Convert to fraction form
    10,207.21/14,086.07 = 5,731.09/x
  3. Step 3: Cross multiply
    10,207.21x = 14,086.07 × 5,731.09
  4. Step 4: Simplify right side
    10,207.21x = 80,728,506.26
  5. Step 5: Solve for x
    x = 80,728,506.26/10,207.21
  6. Step 6: Final answer
    x = 7,908.97

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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.