Home / 13,637.32-20,450.94-10,721.32

Finding the Fourth Proportional to 13,637.32, 20,450.94 and 10,721.32

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Solution

The fourth proportional to 13,637.32, 20,450.94 and 10,721.32 is: 16,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.32 : 20,450.94 = 10,721.32 : x
  2. Step 2: Convert to fraction form
    13,637.32/20,450.94 = 10,721.32/x
  3. Step 3: Cross multiply
    13,637.32x = 20,450.94 × 10,721.32
  4. Step 4: Simplify right side
    13,637.32x = 219,261,072.04
  5. Step 5: Solve for x
    x = 219,261,072.04/13,637.32
  6. Step 6: Final answer
    x = 16,078.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.