Home / 19,168.44-28,752.78-6,688.42

Finding the Fourth Proportional to 19,168.44, 28,752.78 and 6,688.42

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Solution

The fourth proportional to 19,168.44, 28,752.78 and 6,688.42 is: 10,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.44 : 28,752.78 = 6,688.42 : x
  2. Step 2: Convert to fraction form
    19,168.44/28,752.78 = 6,688.42/x
  3. Step 3: Cross multiply
    19,168.44x = 28,752.78 × 6,688.42
  4. Step 4: Simplify right side
    19,168.44x = 192,310,668.81
  5. Step 5: Solve for x
    x = 192,310,668.81/19,168.44
  6. Step 6: Final answer
    x = 10,032.67

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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.