Home / 18,898.37-28,358.53-10,465.73

Finding the Fourth Proportional to 18,898.37, 28,358.53 and 10,465.73

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Solution

The fourth proportional to 18,898.37, 28,358.53 and 10,465.73 is: 15,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.37 : 28,358.53 = 10,465.73 : x
  2. Step 2: Convert to fraction form
    18,898.37/28,358.53 = 10,465.73/x
  3. Step 3: Cross multiply
    18,898.37x = 28,358.53 × 10,465.73
  4. Step 4: Simplify right side
    18,898.37x = 296,792,550.22
  5. Step 5: Solve for x
    x = 296,792,550.22/18,898.37
  6. Step 6: Final answer
    x = 15,704.67

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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.