Home / 13,762.05-18,993.43-7,794.89

Finding the Fourth Proportional to 13,762.05, 18,993.43 and 7,794.89

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Solution

The fourth proportional to 13,762.05, 18,993.43 and 7,794.89 is: 10,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.05 : 18,993.43 = 7,794.89 : x
  2. Step 2: Convert to fraction form
    13,762.05/18,993.43 = 7,794.89/x
  3. Step 3: Cross multiply
    13,762.05x = 18,993.43 × 7,794.89
  4. Step 4: Simplify right side
    13,762.05x = 148,051,697.57
  5. Step 5: Solve for x
    x = 148,051,697.57/13,762.05
  6. Step 6: Final answer
    x = 10,757.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.