Home / 18,286.27-27,423.78-9,516.40

Finding the Fourth Proportional to 18,286.27, 27,423.78 and 9,516.40

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Solution

The fourth proportional to 18,286.27, 27,423.78 and 9,516.40 is: 14,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.27 : 27,423.78 = 9,516.40 : x
  2. Step 2: Convert to fraction form
    18,286.27/27,423.78 = 9,516.40/x
  3. Step 3: Cross multiply
    18,286.27x = 27,423.78 × 9,516.40
  4. Step 4: Simplify right side
    18,286.27x = 260,975,659.99
  5. Step 5: Solve for x
    x = 260,975,659.99/18,286.27
  6. Step 6: Final answer
    x = 14,271.67

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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.