Home / 13,966.60-20,949.90-6,568.60

Finding the Fourth Proportional to 13,966.60, 20,949.90 and 6,568.60

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Solution

The fourth proportional to 13,966.60, 20,949.90 and 6,568.60 is: 9,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.60 : 20,949.90 = 6,568.60 : x
  2. Step 2: Convert to fraction form
    13,966.60/20,949.90 = 6,568.60/x
  3. Step 3: Cross multiply
    13,966.60x = 20,949.90 × 6,568.60
  4. Step 4: Simplify right side
    13,966.60x = 137,611,513.14
  5. Step 5: Solve for x
    x = 137,611,513.14/13,966.60
  6. Step 6: Final answer
    x = 9,852.90

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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.