Home / 14,283.30-21,433.05-5,518.83

Finding the Fourth Proportional to 14,283.30, 21,433.05 and 5,518.83

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Solution

The fourth proportional to 14,283.30, 21,433.05 and 5,518.83 is: 8,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.30 : 21,433.05 = 5,518.83 : x
  2. Step 2: Convert to fraction form
    14,283.30/21,433.05 = 5,518.83/x
  3. Step 3: Cross multiply
    14,283.30x = 21,433.05 × 5,518.83
  4. Step 4: Simplify right side
    14,283.30x = 118,285,359.33
  5. Step 5: Solve for x
    x = 118,285,359.33/14,283.30
  6. Step 6: Final answer
    x = 8,281.37

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1.5x scale

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.