Home / 12,392.94-18,590.61-4,072.62

Finding the Fourth Proportional to 12,392.94, 18,590.61 and 4,072.62

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Solution

The fourth proportional to 12,392.94, 18,590.61 and 4,072.62 is: 6,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.94 : 18,590.61 = 4,072.62 : x
  2. Step 2: Convert to fraction form
    12,392.94/18,590.61 = 4,072.62/x
  3. Step 3: Cross multiply
    12,392.94x = 18,590.61 × 4,072.62
  4. Step 4: Simplify right side
    12,392.94x = 75,712,490.10
  5. Step 5: Solve for x
    x = 75,712,490.10/12,392.94
  6. Step 6: Final answer
    x = 6,109.32

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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.