Home / 13,556.44-20,326.42-5,649.40

Finding the Fourth Proportional to 13,556.44, 20,326.42 and 5,649.40

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Solution

The fourth proportional to 13,556.44, 20,326.42 and 5,649.40 is: 8,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.44 : 20,326.42 = 5,649.40 : x
  2. Step 2: Convert to fraction form
    13,556.44/20,326.42 = 5,649.40/x
  3. Step 3: Cross multiply
    13,556.44x = 20,326.42 × 5,649.40
  4. Step 4: Simplify right side
    13,556.44x = 114,832,077.15
  5. Step 5: Solve for x
    x = 114,832,077.15/13,556.44
  6. Step 6: Final answer
    x = 8,470.67

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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.