Home / 18,799.10-28,201.08-6,313.76

Finding the Fourth Proportional to 18,799.10, 28,201.08 and 6,313.76

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Solution

The fourth proportional to 18,799.10, 28,201.08 and 6,313.76 is: 9,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.10 : 28,201.08 = 6,313.76 : x
  2. Step 2: Convert to fraction form
    18,799.10/28,201.08 = 6,313.76/x
  3. Step 3: Cross multiply
    18,799.10x = 28,201.08 × 6,313.76
  4. Step 4: Simplify right side
    18,799.10x = 178,054,709.86
  5. Step 5: Solve for x
    x = 178,054,709.86/18,799.10
  6. Step 6: Final answer
    x = 9,471.45

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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.