Home / 19,292.70-28,940.31-7,452.12

Finding the Fourth Proportional to 19,292.70, 28,940.31 and 7,452.12

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Solution

The fourth proportional to 19,292.70, 28,940.31 and 7,452.12 is: 11,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.70 : 28,940.31 = 7,452.12 : x
  2. Step 2: Convert to fraction form
    19,292.70/28,940.31 = 7,452.12/x
  3. Step 3: Cross multiply
    19,292.70x = 28,940.31 × 7,452.12
  4. Step 4: Simplify right side
    19,292.70x = 215,666,662.96
  5. Step 5: Solve for x
    x = 215,666,662.96/19,292.70
  6. Step 6: Final answer
    x = 11,178.67

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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.