Home / 13,744.71-18,972.27-9,777.33

Finding the Fourth Proportional to 13,744.71, 18,972.27 and 9,777.33

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Solution

The fourth proportional to 13,744.71, 18,972.27 and 9,777.33 is: 13,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.71 : 18,972.27 = 9,777.33 : x
  2. Step 2: Convert to fraction form
    13,744.71/18,972.27 = 9,777.33/x
  3. Step 3: Cross multiply
    13,744.71x = 18,972.27 × 9,777.33
  4. Step 4: Simplify right side
    13,744.71x = 185,498,144.64
  5. Step 5: Solve for x
    x = 185,498,144.64/13,744.71
  6. Step 6: Final answer
    x = 13,495.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.