Home / 21,683.95-29,923.46-12,252.31

Finding the Fourth Proportional to 21,683.95, 29,923.46 and 12,252.31

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Solution

The fourth proportional to 21,683.95, 29,923.46 and 12,252.31 is: 16,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.95 : 29,923.46 = 12,252.31 : x
  2. Step 2: Convert to fraction form
    21,683.95/29,923.46 = 12,252.31/x
  3. Step 3: Cross multiply
    21,683.95x = 29,923.46 × 12,252.31
  4. Step 4: Simplify right side
    21,683.95x = 366,631,372.12
  5. Step 5: Solve for x
    x = 366,631,372.12/21,683.95
  6. Step 6: Final answer
    x = 16,907.96

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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.