Home / 9,361.02-12,923.39-6,381.23

Finding the Fourth Proportional to 9,361.02, 12,923.39 and 6,381.23

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Solution

The fourth proportional to 9,361.02, 12,923.39 and 6,381.23 is: 8,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.02 : 12,923.39 = 6,381.23 : x
  2. Step 2: Convert to fraction form
    9,361.02/12,923.39 = 6,381.23/x
  3. Step 3: Cross multiply
    9,361.02x = 12,923.39 × 6,381.23
  4. Step 4: Simplify right side
    9,361.02x = 82,467,139.92
  5. Step 5: Solve for x
    x = 82,467,139.92/9,361.02
  6. Step 6: Final answer
    x = 8,809.63

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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.