Home / 18,736.92-25,881.93-15,242.58

Finding the Fourth Proportional to 18,736.92, 25,881.93 and 15,242.58

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Solution

The fourth proportional to 18,736.92, 25,881.93 and 15,242.58 is: 21,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.92 : 25,881.93 = 15,242.58 : x
  2. Step 2: Convert to fraction form
    18,736.92/25,881.93 = 15,242.58/x
  3. Step 3: Cross multiply
    18,736.92x = 25,881.93 × 15,242.58
  4. Step 4: Simplify right side
    18,736.92x = 394,507,388.58
  5. Step 5: Solve for x
    x = 394,507,388.58/18,736.92
  6. Step 6: Final answer
    x = 21,055.08

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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.