Home / 18,253.69-27,376.35-5,106.99

Finding the Fourth Proportional to 18,253.69, 27,376.35 and 5,106.99

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Solution

The fourth proportional to 18,253.69, 27,376.35 and 5,106.99 is: 7,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.69 : 27,376.35 = 5,106.99 : x
  2. Step 2: Convert to fraction form
    18,253.69/27,376.35 = 5,106.99/x
  3. Step 3: Cross multiply
    18,253.69x = 27,376.35 × 5,106.99
  4. Step 4: Simplify right side
    18,253.69x = 139,810,745.69
  5. Step 5: Solve for x
    x = 139,810,745.69/18,253.69
  6. Step 6: Final answer
    x = 7,659.31

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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.