Home / 12,569.49-18,853.63-4,249.83

Finding the Fourth Proportional to 12,569.49, 18,853.63 and 4,249.83

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Solution

The fourth proportional to 12,569.49, 18,853.63 and 4,249.83 is: 6,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.49 : 18,853.63 = 4,249.83 : x
  2. Step 2: Convert to fraction form
    12,569.49/18,853.63 = 4,249.83/x
  3. Step 3: Cross multiply
    12,569.49x = 18,853.63 × 4,249.83
  4. Step 4: Simplify right side
    12,569.49x = 80,124,722.38
  5. Step 5: Solve for x
    x = 80,124,722.38/12,569.49
  6. Step 6: Final answer
    x = 6,374.54

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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.