Home / 13,619.07-20,409.71-6,205.41

Finding the Fourth Proportional to 13,619.07, 20,409.71 and 6,205.41

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Solution

The fourth proportional to 13,619.07, 20,409.71 and 6,205.41 is: 9,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.07 : 20,409.71 = 6,205.41 : x
  2. Step 2: Convert to fraction form
    13,619.07/20,409.71 = 6,205.41/x
  3. Step 3: Cross multiply
    13,619.07x = 20,409.71 × 6,205.41
  4. Step 4: Simplify right side
    13,619.07x = 126,650,587.50
  5. Step 5: Solve for x
    x = 126,650,587.50/13,619.07
  6. Step 6: Final answer
    x = 9,299.50

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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.