Home / 14,945.92-22,496.80-12,690.88

Finding the Fourth Proportional to 14,945.92, 22,496.80 and 12,690.88

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Solution

The fourth proportional to 14,945.92, 22,496.80 and 12,690.88 is: 19,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.92 : 22,496.80 = 12,690.88 : x
  2. Step 2: Convert to fraction form
    14,945.92/22,496.80 = 12,690.88/x
  3. Step 3: Cross multiply
    14,945.92x = 22,496.80 × 12,690.88
  4. Step 4: Simplify right side
    14,945.92x = 285,504,189.18
  5. Step 5: Solve for x
    x = 285,504,189.18/14,945.92
  6. Step 6: Final answer
    x = 19,102.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.