Home / 10,268.40-14,198.04-8,956.20

Finding the Fourth Proportional to 10,268.40, 14,198.04 and 8,956.20

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Solution

The fourth proportional to 10,268.40, 14,198.04 and 8,956.20 is: 12,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.40 : 14,198.04 = 8,956.20 : x
  2. Step 2: Convert to fraction form
    10,268.40/14,198.04 = 8,956.20/x
  3. Step 3: Cross multiply
    10,268.40x = 14,198.04 × 8,956.20
  4. Step 4: Simplify right side
    10,268.40x = 127,160,485.85
  5. Step 5: Solve for x
    x = 127,160,485.85/10,268.40
  6. Step 6: Final answer
    x = 12,383.67

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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.