Home / 13,282.20-19,913.04-8,606.88

Finding the Fourth Proportional to 13,282.20, 19,913.04 and 8,606.88

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Solution

The fourth proportional to 13,282.20, 19,913.04 and 8,606.88 is: 12,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.20 : 19,913.04 = 8,606.88 : x
  2. Step 2: Convert to fraction form
    13,282.20/19,913.04 = 8,606.88/x
  3. Step 3: Cross multiply
    13,282.20x = 19,913.04 × 8,606.88
  4. Step 4: Simplify right side
    13,282.20x = 171,389,145.72
  5. Step 5: Solve for x
    x = 171,389,145.72/13,282.20
  6. Step 6: Final answer
    x = 12,903.67

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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.