Home / 17,964.36-26,905.80-12,392.37

Finding the Fourth Proportional to 17,964.36, 26,905.80 and 12,392.37

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Solution

The fourth proportional to 17,964.36, 26,905.80 and 12,392.37 is: 18,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.36 : 26,905.80 = 12,392.37 : x
  2. Step 2: Convert to fraction form
    17,964.36/26,905.80 = 12,392.37/x
  3. Step 3: Cross multiply
    17,964.36x = 26,905.80 × 12,392.37
  4. Step 4: Simplify right side
    17,964.36x = 333,426,628.75
  5. Step 5: Solve for x
    x = 333,426,628.75/17,964.36
  6. Step 6: Final answer
    x = 18,560.45

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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.