Home / 18,834.50-28,252.30-4,983.50

Finding the Fourth Proportional to 18,834.50, 28,252.30 and 4,983.50

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Solution

The fourth proportional to 18,834.50, 28,252.30 and 4,983.50 is: 7,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.50 : 28,252.30 = 4,983.50 : x
  2. Step 2: Convert to fraction form
    18,834.50/28,252.30 = 4,983.50/x
  3. Step 3: Cross multiply
    18,834.50x = 28,252.30 × 4,983.50
  4. Step 4: Simplify right side
    18,834.50x = 140,795,337.05
  5. Step 5: Solve for x
    x = 140,795,337.05/18,834.50
  6. Step 6: Final answer
    x = 7,475.40

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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.