Home / 12,631.94-18,923.67-7,068.43

Finding the Fourth Proportional to 12,631.94, 18,923.67 and 7,068.43

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Solution

The fourth proportional to 12,631.94, 18,923.67 and 7,068.43 is: 10,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.94 : 18,923.67 = 7,068.43 : x
  2. Step 2: Convert to fraction form
    12,631.94/18,923.67 = 7,068.43/x
  3. Step 3: Cross multiply
    12,631.94x = 18,923.67 × 7,068.43
  4. Step 4: Simplify right side
    12,631.94x = 133,760,636.74
  5. Step 5: Solve for x
    x = 133,760,636.74/12,631.94
  6. Step 6: Final answer
    x = 10,589.08

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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.