Home / 13,022.95-19,535.33-6,447.37

Finding the Fourth Proportional to 13,022.95, 19,535.33 and 6,447.37

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Solution

The fourth proportional to 13,022.95, 19,535.33 and 6,447.37 is: 9,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.95 : 19,535.33 = 6,447.37 : x
  2. Step 2: Convert to fraction form
    13,022.95/19,535.33 = 6,447.37/x
  3. Step 3: Cross multiply
    13,022.95x = 19,535.33 × 6,447.37
  4. Step 4: Simplify right side
    13,022.95x = 125,951,467.86
  5. Step 5: Solve for x
    x = 125,951,467.86/13,022.95
  6. Step 6: Final answer
    x = 9,671.50

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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.