Home / 13,453.58-20,116.27-12,277.19

Finding the Fourth Proportional to 13,453.58, 20,116.27 and 12,277.19

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Solution

The fourth proportional to 13,453.58, 20,116.27 and 12,277.19 is: 18,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.58 : 20,116.27 = 12,277.19 : x
  2. Step 2: Convert to fraction form
    13,453.58/20,116.27 = 12,277.19/x
  3. Step 3: Cross multiply
    13,453.58x = 20,116.27 × 12,277.19
  4. Step 4: Simplify right side
    13,453.58x = 246,971,152.31
  5. Step 5: Solve for x
    x = 246,971,152.31/13,453.58
  6. Step 6: Final answer
    x = 18,357.29

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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.