Home / 14,480.08-19,982.30-8,192.44

Finding the Fourth Proportional to 14,480.08, 19,982.30 and 8,192.44

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Solution

The fourth proportional to 14,480.08, 19,982.30 and 8,192.44 is: 11,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.08 : 19,982.30 = 8,192.44 : x
  2. Step 2: Convert to fraction form
    14,480.08/19,982.30 = 8,192.44/x
  3. Step 3: Cross multiply
    14,480.08x = 19,982.30 × 8,192.44
  4. Step 4: Simplify right side
    14,480.08x = 163,703,793.81
  5. Step 5: Solve for x
    x = 163,703,793.81/14,480.08
  6. Step 6: Final answer
    x = 11,305.45

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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.