Home / 14,680.44-20,259.62-8,392.81

Finding the Fourth Proportional to 14,680.44, 20,259.62 and 8,392.81

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Solution

The fourth proportional to 14,680.44, 20,259.62 and 8,392.81 is: 11,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.44 : 20,259.62 = 8,392.81 : x
  2. Step 2: Convert to fraction form
    14,680.44/20,259.62 = 8,392.81/x
  3. Step 3: Cross multiply
    14,680.44x = 20,259.62 × 8,392.81
  4. Step 4: Simplify right side
    14,680.44x = 170,035,141.33
  5. Step 5: Solve for x
    x = 170,035,141.33/14,680.44
  6. Step 6: Final answer
    x = 11,582.43

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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.