Home / 13,744.00-18,967.14-7,775.54

Finding the Fourth Proportional to 13,744.00, 18,967.14 and 7,775.54

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Solution

The fourth proportional to 13,744.00, 18,967.14 and 7,775.54 is: 10,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.00 : 18,967.14 = 7,775.54 : x
  2. Step 2: Convert to fraction form
    13,744.00/18,967.14 = 7,775.54/x
  3. Step 3: Cross multiply
    13,744.00x = 18,967.14 × 7,775.54
  4. Step 4: Simplify right side
    13,744.00x = 147,479,816.87
  5. Step 5: Solve for x
    x = 147,479,816.87/13,744.00
  6. Step 6: Final answer
    x = 10,730.48

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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.