Home / 13,376.79-20,064.69-6,361.83

Finding the Fourth Proportional to 13,376.79, 20,064.69 and 6,361.83

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Solution

The fourth proportional to 13,376.79, 20,064.69 and 6,361.83 is: 9,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.79 : 20,064.69 = 6,361.83 : x
  2. Step 2: Convert to fraction form
    13,376.79/20,064.69 = 6,361.83/x
  3. Step 3: Cross multiply
    13,376.79x = 20,064.69 × 6,361.83
  4. Step 4: Simplify right side
    13,376.79x = 127,648,146.78
  5. Step 5: Solve for x
    x = 127,648,146.78/13,376.79
  6. Step 6: Final answer
    x = 9,542.51

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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.