Home / 18,815.34-28,224.91-4,964.34

Finding the Fourth Proportional to 18,815.34, 28,224.91 and 4,964.34

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Solution

The fourth proportional to 18,815.34, 28,224.91 and 4,964.34 is: 7,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.34 : 28,224.91 = 4,964.34 : x
  2. Step 2: Convert to fraction form
    18,815.34/28,224.91 = 4,964.34/x
  3. Step 3: Cross multiply
    18,815.34x = 28,224.91 × 4,964.34
  4. Step 4: Simplify right side
    18,815.34x = 140,118,133.83
  5. Step 5: Solve for x
    x = 140,118,133.83/18,815.34
  6. Step 6: Final answer
    x = 7,447.01

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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.