Home / 17,964.63-26,923.71-12,409.11

Finding the Fourth Proportional to 17,964.63, 26,923.71 and 12,409.11

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Solution

The fourth proportional to 17,964.63, 26,923.71 and 12,409.11 is: 18,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.63 : 26,923.71 = 12,409.11 : x
  2. Step 2: Convert to fraction form
    17,964.63/26,923.71 = 12,409.11/x
  3. Step 3: Cross multiply
    17,964.63x = 26,923.71 × 12,409.11
  4. Step 4: Simplify right side
    17,964.63x = 334,099,279.00
  5. Step 5: Solve for x
    x = 334,099,279.00/17,964.63
  6. Step 6: Final answer
    x = 18,597.62

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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.