Home / 12,558.06-18,757.51-11,838.33

Finding the Fourth Proportional to 12,558.06, 18,757.51 and 11,838.33

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Solution

The fourth proportional to 12,558.06, 18,757.51 and 11,838.33 is: 17,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.06 : 18,757.51 = 11,838.33 : x
  2. Step 2: Convert to fraction form
    12,558.06/18,757.51 = 11,838.33/x
  3. Step 3: Cross multiply
    12,558.06x = 18,757.51 × 11,838.33
  4. Step 4: Simplify right side
    12,558.06x = 222,057,563.76
  5. Step 5: Solve for x
    x = 222,057,563.76/12,558.06
  6. Step 6: Final answer
    x = 17,682.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.