Home / 22,969.05-31,695.35-12,896.70

Finding the Fourth Proportional to 22,969.05, 31,695.35 and 12,896.70

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Solution

The fourth proportional to 22,969.05, 31,695.35 and 12,896.70 is: 17,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.05 : 31,695.35 = 12,896.70 : x
  2. Step 2: Convert to fraction form
    22,969.05/31,695.35 = 12,896.70/x
  3. Step 3: Cross multiply
    22,969.05x = 31,695.35 × 12,896.70
  4. Step 4: Simplify right side
    22,969.05x = 408,765,355.86
  5. Step 5: Solve for x
    x = 408,765,355.86/22,969.05
  6. Step 6: Final answer
    x = 17,796.35

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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.