Home / 13,673.94-20,511.35-4,314.04

Finding the Fourth Proportional to 13,673.94, 20,511.35 and 4,314.04

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Solution

The fourth proportional to 13,673.94, 20,511.35 and 4,314.04 is: 6,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.94 : 20,511.35 = 4,314.04 : x
  2. Step 2: Convert to fraction form
    13,673.94/20,511.35 = 4,314.04/x
  3. Step 3: Cross multiply
    13,673.94x = 20,511.35 × 4,314.04
  4. Step 4: Simplify right side
    13,673.94x = 88,486,784.35
  5. Step 5: Solve for x
    x = 88,486,784.35/13,673.94
  6. Step 6: Final answer
    x = 6,471.20

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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.