Home / 12,644.84-18,967.26-4,324.93

Finding the Fourth Proportional to 12,644.84, 18,967.26 and 4,324.93

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Solution

The fourth proportional to 12,644.84, 18,967.26 and 4,324.93 is: 6,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.84 : 18,967.26 = 4,324.93 : x
  2. Step 2: Convert to fraction form
    12,644.84/18,967.26 = 4,324.93/x
  3. Step 3: Cross multiply
    12,644.84x = 18,967.26 × 4,324.93
  4. Step 4: Simplify right side
    12,644.84x = 82,032,060.98
  5. Step 5: Solve for x
    x = 82,032,060.98/12,644.84
  6. Step 6: Final answer
    x = 6,487.40

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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.