Home / 18,974.34-26,219.39-16,448.36

Finding the Fourth Proportional to 18,974.34, 26,219.39 and 16,448.36

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Solution

The fourth proportional to 18,974.34, 26,219.39 and 16,448.36 is: 22,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.34 : 26,219.39 = 16,448.36 : x
  2. Step 2: Convert to fraction form
    18,974.34/26,219.39 = 16,448.36/x
  3. Step 3: Cross multiply
    18,974.34x = 26,219.39 × 16,448.36
  4. Step 4: Simplify right side
    18,974.34x = 431,265,752.36
  5. Step 5: Solve for x
    x = 431,265,752.36/18,974.34
  6. Step 6: Final answer
    x = 22,728.89

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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.