Home / 16,278.82-22,466.44-9,905.86

Finding the Fourth Proportional to 16,278.82, 22,466.44 and 9,905.86

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Solution

The fourth proportional to 16,278.82, 22,466.44 and 9,905.86 is: 13,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.82 : 22,466.44 = 9,905.86 : x
  2. Step 2: Convert to fraction form
    16,278.82/22,466.44 = 9,905.86/x
  3. Step 3: Cross multiply
    16,278.82x = 22,466.44 × 9,905.86
  4. Step 4: Simplify right side
    16,278.82x = 222,549,409.34
  5. Step 5: Solve for x
    x = 222,549,409.34/16,278.82
  6. Step 6: Final answer
    x = 13,671.10

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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.