Home / 18,200.35-25,115.43-10,242.10

Finding the Fourth Proportional to 18,200.35, 25,115.43 and 10,242.10

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Solution

The fourth proportional to 18,200.35, 25,115.43 and 10,242.10 is: 14,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.35 : 25,115.43 = 10,242.10 : x
  2. Step 2: Convert to fraction form
    18,200.35/25,115.43 = 10,242.10/x
  3. Step 3: Cross multiply
    18,200.35x = 25,115.43 × 10,242.10
  4. Step 4: Simplify right side
    18,200.35x = 257,234,745.60
  5. Step 5: Solve for x
    x = 257,234,745.60/18,200.35
  6. Step 6: Final answer
    x = 14,133.51

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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.