Home / 14,285.46-21,424.05-5,518.38

Finding the Fourth Proportional to 14,285.46, 21,424.05 and 5,518.38

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Solution

The fourth proportional to 14,285.46, 21,424.05 and 5,518.38 is: 8,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.46 : 21,424.05 = 5,518.38 : x
  2. Step 2: Convert to fraction form
    14,285.46/21,424.05 = 5,518.38/x
  3. Step 3: Cross multiply
    14,285.46x = 21,424.05 × 5,518.38
  4. Step 4: Simplify right side
    14,285.46x = 118,226,049.04
  5. Step 5: Solve for x
    x = 118,226,049.04/14,285.46
  6. Step 6: Final answer
    x = 8,275.97

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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.