Home / 18,904.11-28,354.01-5,054.19

Finding the Fourth Proportional to 18,904.11, 28,354.01 and 5,054.19

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Solution

The fourth proportional to 18,904.11, 28,354.01 and 5,054.19 is: 7,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.11 : 28,354.01 = 5,054.19 : x
  2. Step 2: Convert to fraction form
    18,904.11/28,354.01 = 5,054.19/x
  3. Step 3: Cross multiply
    18,904.11x = 28,354.01 × 5,054.19
  4. Step 4: Simplify right side
    18,904.11x = 143,306,573.45
  5. Step 5: Solve for x
    x = 143,306,573.45/18,904.11
  6. Step 6: Final answer
    x = 7,580.71

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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.