Home / 8,106.21-12,153.40-5,467.16

Finding the Fourth Proportional to 8,106.21, 12,153.40 and 5,467.16

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Solution

The fourth proportional to 8,106.21, 12,153.40 and 5,467.16 is: 8,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.21 : 12,153.40 = 5,467.16 : x
  2. Step 2: Convert to fraction form
    8,106.21/12,153.40 = 5,467.16/x
  3. Step 3: Cross multiply
    8,106.21x = 12,153.40 × 5,467.16
  4. Step 4: Simplify right side
    8,106.21x = 66,444,494.24
  5. Step 5: Solve for x
    x = 66,444,494.24/8,106.21
  6. Step 6: Final answer
    x = 8,196.74

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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.