Home / 12,323.43-18,485.24-4,929.75

Finding the Fourth Proportional to 12,323.43, 18,485.24 and 4,929.75

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Solution

The fourth proportional to 12,323.43, 18,485.24 and 4,929.75 is: 7,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.43 : 18,485.24 = 4,929.75 : x
  2. Step 2: Convert to fraction form
    12,323.43/18,485.24 = 4,929.75/x
  3. Step 3: Cross multiply
    12,323.43x = 18,485.24 × 4,929.75
  4. Step 4: Simplify right side
    12,323.43x = 91,127,587.24
  5. Step 5: Solve for x
    x = 91,127,587.24/12,323.43
  6. Step 6: Final answer
    x = 7,394.66

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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.