Home / 21,698.97-29,944.18-12,267.54

Finding the Fourth Proportional to 21,698.97, 29,944.18 and 12,267.54

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Solution

The fourth proportional to 21,698.97, 29,944.18 and 12,267.54 is: 16,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.97 : 29,944.18 = 12,267.54 : x
  2. Step 2: Convert to fraction form
    21,698.97/29,944.18 = 12,267.54/x
  3. Step 3: Cross multiply
    21,698.97x = 29,944.18 × 12,267.54
  4. Step 4: Simplify right side
    21,698.97x = 367,341,276.20
  5. Step 5: Solve for x
    x = 367,341,276.20/21,698.97
  6. Step 6: Final answer
    x = 16,928.97

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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.