Home / 12,370.19-18,556.43-4,477.50

Finding the Fourth Proportional to 12,370.19, 18,556.43 and 4,477.50

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Solution

The fourth proportional to 12,370.19, 18,556.43 and 4,477.50 is: 6,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.19 : 18,556.43 = 4,477.50 : x
  2. Step 2: Convert to fraction form
    12,370.19/18,556.43 = 4,477.50/x
  3. Step 3: Cross multiply
    12,370.19x = 18,556.43 × 4,477.50
  4. Step 4: Simplify right side
    12,370.19x = 83,086,392.94
  5. Step 5: Solve for x
    x = 83,086,392.94/12,370.19
  6. Step 6: Final answer
    x = 6,716.67

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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.