Home / 13,946.80-19,245.72-12,832.24

Finding the Fourth Proportional to 13,946.80, 19,245.72 and 12,832.24

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Solution

The fourth proportional to 13,946.80, 19,245.72 and 12,832.24 is: 17,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.80 : 19,245.72 = 12,832.24 : x
  2. Step 2: Convert to fraction form
    13,946.80/19,245.72 = 12,832.24/x
  3. Step 3: Cross multiply
    13,946.80x = 19,245.72 × 12,832.24
  4. Step 4: Simplify right side
    13,946.80x = 246,965,698.01
  5. Step 5: Solve for x
    x = 246,965,698.01/13,946.80
  6. Step 6: Final answer
    x = 17,707.70

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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.