Home / 21,252.44-29,327.46-12,300.32

Finding the Fourth Proportional to 21,252.44, 29,327.46 and 12,300.32

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Solution

The fourth proportional to 21,252.44, 29,327.46 and 12,300.32 is: 16,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.44 : 29,327.46 = 12,300.32 : x
  2. Step 2: Convert to fraction form
    21,252.44/29,327.46 = 12,300.32/x
  3. Step 3: Cross multiply
    21,252.44x = 29,327.46 × 12,300.32
  4. Step 4: Simplify right side
    21,252.44x = 360,737,142.79
  5. Step 5: Solve for x
    x = 360,737,142.79/21,252.44
  6. Step 6: Final answer
    x = 16,973.92

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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.