Home / 18,312.21-25,270.62-10,757.25

Finding the Fourth Proportional to 18,312.21, 25,270.62 and 10,757.25

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Solution

The fourth proportional to 18,312.21, 25,270.62 and 10,757.25 is: 14,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.21 : 25,270.62 = 10,757.25 : x
  2. Step 2: Convert to fraction form
    18,312.21/25,270.62 = 10,757.25/x
  3. Step 3: Cross multiply
    18,312.21x = 25,270.62 × 10,757.25
  4. Step 4: Simplify right side
    18,312.21x = 271,842,377.00
  5. Step 5: Solve for x
    x = 271,842,377.00/18,312.21
  6. Step 6: Final answer
    x = 14,844.87

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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.