Home / 12,157.48-18,236.34-3,837.34

Finding the Fourth Proportional to 12,157.48, 18,236.34 and 3,837.34

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Solution

The fourth proportional to 12,157.48, 18,236.34 and 3,837.34 is: 5,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.48 : 18,236.34 = 3,837.34 : x
  2. Step 2: Convert to fraction form
    12,157.48/18,236.34 = 3,837.34/x
  3. Step 3: Cross multiply
    12,157.48x = 18,236.34 × 3,837.34
  4. Step 4: Simplify right side
    12,157.48x = 69,979,036.94
  5. Step 5: Solve for x
    x = 69,979,036.94/12,157.48
  6. Step 6: Final answer
    x = 5,756.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.