Home / 18,436.37-27,663.74-8,441.10

Finding the Fourth Proportional to 18,436.37, 27,663.74 and 8,441.10

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Solution

The fourth proportional to 18,436.37, 27,663.74 and 8,441.10 is: 12,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.37 : 27,663.74 = 8,441.10 : x
  2. Step 2: Convert to fraction form
    18,436.37/27,663.74 = 8,441.10/x
  3. Step 3: Cross multiply
    18,436.37x = 27,663.74 × 8,441.10
  4. Step 4: Simplify right side
    18,436.37x = 233,512,353.51
  5. Step 5: Solve for x
    x = 233,512,353.51/18,436.37
  6. Step 6: Final answer
    x = 12,665.85

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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.