Home / 18,440.96-25,448.47-10,057.46

Finding the Fourth Proportional to 18,440.96, 25,448.47 and 10,057.46

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Solution

The fourth proportional to 18,440.96, 25,448.47 and 10,057.46 is: 13,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.96 : 25,448.47 = 10,057.46 : x
  2. Step 2: Convert to fraction form
    18,440.96/25,448.47 = 10,057.46/x
  3. Step 3: Cross multiply
    18,440.96x = 25,448.47 × 10,057.46
  4. Step 4: Simplify right side
    18,440.96x = 255,946,969.09
  5. Step 5: Solve for x
    x = 255,946,969.09/18,440.96
  6. Step 6: Final answer
    x = 13,879.26

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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.