Home / 18,449.78-27,674.83-5,302.15

Finding the Fourth Proportional to 18,449.78, 27,674.83 and 5,302.15

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Solution

The fourth proportional to 18,449.78, 27,674.83 and 5,302.15 is: 7,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.78 : 27,674.83 = 5,302.15 : x
  2. Step 2: Convert to fraction form
    18,449.78/27,674.83 = 5,302.15/x
  3. Step 3: Cross multiply
    18,449.78x = 27,674.83 × 5,302.15
  4. Step 4: Simplify right side
    18,449.78x = 146,736,099.88
  5. Step 5: Solve for x
    x = 146,736,099.88/18,449.78
  6. Step 6: Final answer
    x = 7,953.27

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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.