Home / 13,022.20-19,518.31-6,452.70

Finding the Fourth Proportional to 13,022.20, 19,518.31 and 6,452.70

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Solution

The fourth proportional to 13,022.20, 19,518.31 and 6,452.70 is: 9,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.20 : 19,518.31 = 6,452.70 : x
  2. Step 2: Convert to fraction form
    13,022.20/19,518.31 = 6,452.70/x
  3. Step 3: Cross multiply
    13,022.20x = 19,518.31 × 6,452.70
  4. Step 4: Simplify right side
    13,022.20x = 125,945,798.94
  5. Step 5: Solve for x
    x = 125,945,798.94/13,022.20
  6. Step 6: Final answer
    x = 9,671.62

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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.