Home / 13,674.26-20,511.81-4,314.36

Finding the Fourth Proportional to 13,674.26, 20,511.81 and 4,314.36

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Solution

The fourth proportional to 13,674.26, 20,511.81 and 4,314.36 is: 6,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.26 : 20,511.81 = 4,314.36 : x
  2. Step 2: Convert to fraction form
    13,674.26/20,511.81 = 4,314.36/x
  3. Step 3: Cross multiply
    13,674.26x = 20,511.81 × 4,314.36
  4. Step 4: Simplify right side
    13,674.26x = 88,495,332.59
  5. Step 5: Solve for x
    x = 88,495,332.59/13,674.26
  6. Step 6: Final answer
    x = 6,471.67

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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.