Home / 13,673.64-20,511.26-4,909.48

Finding the Fourth Proportional to 13,673.64, 20,511.26 and 4,909.48

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Solution

The fourth proportional to 13,673.64, 20,511.26 and 4,909.48 is: 7,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.64 : 20,511.26 = 4,909.48 : x
  2. Step 2: Convert to fraction form
    13,673.64/20,511.26 = 4,909.48/x
  3. Step 3: Cross multiply
    13,673.64x = 20,511.26 × 4,909.48
  4. Step 4: Simplify right side
    13,673.64x = 100,699,620.74
  5. Step 5: Solve for x
    x = 100,699,620.74/13,673.64
  6. Step 6: Final answer
    x = 7,364.51

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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.