Home / 16,278.33-22,465.74-9,905.37

Finding the Fourth Proportional to 16,278.33, 22,465.74 and 9,905.37

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Solution

The fourth proportional to 16,278.33, 22,465.74 and 9,905.37 is: 13,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.33 : 22,465.74 = 9,905.37 : x
  2. Step 2: Convert to fraction form
    16,278.33/22,465.74 = 9,905.37/x
  3. Step 3: Cross multiply
    16,278.33x = 22,465.74 × 9,905.37
  4. Step 4: Simplify right side
    16,278.33x = 222,531,467.02
  5. Step 5: Solve for x
    x = 222,531,467.02/16,278.33
  6. Step 6: Final answer
    x = 13,670.41

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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.