Home / 18,845.12-28,267.56-4,994

Finding the Fourth Proportional to 18,845.12, 28,267.56 and 4,994

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Solution

The fourth proportional to 18,845.12, 28,267.56 and 4,994 is: 7,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.12 : 28,267.56 = 4,994 : x
  2. Step 2: Convert to fraction form
    18,845.12/28,267.56 = 4,994/x
  3. Step 3: Cross multiply
    18,845.12x = 28,267.56 × 4,994
  4. Step 4: Simplify right side
    18,845.12x = 141,168,194.64
  5. Step 5: Solve for x
    x = 141,168,194.64/18,845.12
  6. Step 6: Final answer
    x = 7,490.97

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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.