Home / 13,022.82-19,535.15-6,447.24

Finding the Fourth Proportional to 13,022.82, 19,535.15 and 6,447.24

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Solution

The fourth proportional to 13,022.82, 19,535.15 and 6,447.24 is: 9,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.82 : 19,535.15 = 6,447.24 : x
  2. Step 2: Convert to fraction form
    13,022.82/19,535.15 = 6,447.24/x
  3. Step 3: Cross multiply
    13,022.82x = 19,535.15 × 6,447.24
  4. Step 4: Simplify right side
    13,022.82x = 125,947,800.49
  5. Step 5: Solve for x
    x = 125,947,800.49/13,022.82
  6. Step 6: Final answer
    x = 9,671.32

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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.