Home / 12,473.43-18,658.86-11,378.54

Finding the Fourth Proportional to 12,473.43, 18,658.86 and 11,378.54

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Solution

The fourth proportional to 12,473.43, 18,658.86 and 11,378.54 is: 17,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.43 : 18,658.86 = 11,378.54 : x
  2. Step 2: Convert to fraction form
    12,473.43/18,658.86 = 11,378.54/x
  3. Step 3: Cross multiply
    12,473.43x = 18,658.86 × 11,378.54
  4. Step 4: Simplify right side
    12,473.43x = 212,310,588.84
  5. Step 5: Solve for x
    x = 212,310,588.84/12,473.43
  6. Step 6: Final answer
    x = 17,021.03

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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.