Home / 13,219.63-19,823.68-4,452.19

Finding the Fourth Proportional to 13,219.63, 19,823.68 and 4,452.19

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Solution

The fourth proportional to 13,219.63, 19,823.68 and 4,452.19 is: 6,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.63 : 19,823.68 = 4,452.19 : x
  2. Step 2: Convert to fraction form
    13,219.63/19,823.68 = 4,452.19/x
  3. Step 3: Cross multiply
    13,219.63x = 19,823.68 × 4,452.19
  4. Step 4: Simplify right side
    13,219.63x = 88,258,789.86
  5. Step 5: Solve for x
    x = 88,258,789.86/13,219.63
  6. Step 6: Final answer
    x = 6,676.34

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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.