Home / 13,629.60-20,445.30-7,063.74

Finding the Fourth Proportional to 13,629.60, 20,445.30 and 7,063.74

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Solution

The fourth proportional to 13,629.60, 20,445.30 and 7,063.74 is: 10,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.60 : 20,445.30 = 7,063.74 : x
  2. Step 2: Convert to fraction form
    13,629.60/20,445.30 = 7,063.74/x
  3. Step 3: Cross multiply
    13,629.60x = 20,445.30 × 7,063.74
  4. Step 4: Simplify right side
    13,629.60x = 144,420,283.42
  5. Step 5: Solve for x
    x = 144,420,283.42/13,629.60
  6. Step 6: Final answer
    x = 10,596.08

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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.