Home / 12,277.26-18,416.55-3,956.67

Finding the Fourth Proportional to 12,277.26, 18,416.55 and 3,956.67

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Solution

The fourth proportional to 12,277.26, 18,416.55 and 3,956.67 is: 5,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.26 : 18,416.55 = 3,956.67 : x
  2. Step 2: Convert to fraction form
    12,277.26/18,416.55 = 3,956.67/x
  3. Step 3: Cross multiply
    12,277.26x = 18,416.55 × 3,956.67
  4. Step 4: Simplify right side
    12,277.26x = 72,868,210.89
  5. Step 5: Solve for x
    x = 72,868,210.89/12,277.26
  6. Step 6: Final answer
    x = 5,935.22

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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.