Home / 18,289.03-27,415.18-12,448.39

Finding the Fourth Proportional to 18,289.03, 27,415.18 and 12,448.39

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Solution

The fourth proportional to 18,289.03, 27,415.18 and 12,448.39 is: 18,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.03 : 27,415.18 = 12,448.39 : x
  2. Step 2: Convert to fraction form
    18,289.03/27,415.18 = 12,448.39/x
  3. Step 3: Cross multiply
    18,289.03x = 27,415.18 × 12,448.39
  4. Step 4: Simplify right side
    18,289.03x = 341,274,653.24
  5. Step 5: Solve for x
    x = 341,274,653.24/18,289.03
  6. Step 6: Final answer
    x = 18,660.08

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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.