Home / 14,728.93-20,326.64-8,441.32

Finding the Fourth Proportional to 14,728.93, 20,326.64 and 8,441.32

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Solution

The fourth proportional to 14,728.93, 20,326.64 and 8,441.32 is: 11,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.93 : 20,326.64 = 8,441.32 : x
  2. Step 2: Convert to fraction form
    14,728.93/20,326.64 = 8,441.32/x
  3. Step 3: Cross multiply
    14,728.93x = 20,326.64 × 8,441.32
  4. Step 4: Simplify right side
    14,728.93x = 171,583,630.56
  5. Step 5: Solve for x
    x = 171,583,630.56/14,728.93
  6. Step 6: Final answer
    x = 11,649.43

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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.