Home / 13,391.83-20,061.60-6,361.84

Finding the Fourth Proportional to 13,391.83, 20,061.60 and 6,361.84

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Solution

The fourth proportional to 13,391.83, 20,061.60 and 6,361.84 is: 9,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.83 : 20,061.60 = 6,361.84 : x
  2. Step 2: Convert to fraction form
    13,391.83/20,061.60 = 6,361.84/x
  3. Step 3: Cross multiply
    13,391.83x = 20,061.60 × 6,361.84
  4. Step 4: Simplify right side
    13,391.83x = 127,628,689.34
  5. Step 5: Solve for x
    x = 127,628,689.34/13,391.83
  6. Step 6: Final answer
    x = 9,530.34

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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.