Home / 12,283.62-18,424.54-4,385.24

Finding the Fourth Proportional to 12,283.62, 18,424.54 and 4,385.24

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Solution

The fourth proportional to 12,283.62, 18,424.54 and 4,385.24 is: 6,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.62 : 18,424.54 = 4,385.24 : x
  2. Step 2: Convert to fraction form
    12,283.62/18,424.54 = 4,385.24/x
  3. Step 3: Cross multiply
    12,283.62x = 18,424.54 × 4,385.24
  4. Step 4: Simplify right side
    12,283.62x = 80,796,029.79
  5. Step 5: Solve for x
    x = 80,796,029.79/12,283.62
  6. Step 6: Final answer
    x = 6,577.54

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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.