Home / 14,984.39-20,676.16-8,611.21

Finding the Fourth Proportional to 14,984.39, 20,676.16 and 8,611.21

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Solution

The fourth proportional to 14,984.39, 20,676.16 and 8,611.21 is: 11,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.39 : 20,676.16 = 8,611.21 : x
  2. Step 2: Convert to fraction form
    14,984.39/20,676.16 = 8,611.21/x
  3. Step 3: Cross multiply
    14,984.39x = 20,676.16 × 8,611.21
  4. Step 4: Simplify right side
    14,984.39x = 178,046,792.36
  5. Step 5: Solve for x
    x = 178,046,792.36/14,984.39
  6. Step 6: Final answer
    x = 11,882.15

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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.