Home / 14,568.72-20,106.60-8,282.64

Finding the Fourth Proportional to 14,568.72, 20,106.60 and 8,282.64

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Solution

The fourth proportional to 14,568.72, 20,106.60 and 8,282.64 is: 11,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.72 : 20,106.60 = 8,282.64 : x
  2. Step 2: Convert to fraction form
    14,568.72/20,106.60 = 8,282.64/x
  3. Step 3: Cross multiply
    14,568.72x = 20,106.60 × 8,282.64
  4. Step 4: Simplify right side
    14,568.72x = 166,535,729.42
  5. Step 5: Solve for x
    x = 166,535,729.42/14,568.72
  6. Step 6: Final answer
    x = 11,431.05

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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.