Home / 13,022.70-19,534.96-6,447.12

Finding the Fourth Proportional to 13,022.70, 19,534.96 and 6,447.12

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Solution

The fourth proportional to 13,022.70, 19,534.96 and 6,447.12 is: 9,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.70 : 19,534.96 = 6,447.12 : x
  2. Step 2: Convert to fraction form
    13,022.70/19,534.96 = 6,447.12/x
  3. Step 3: Cross multiply
    13,022.70x = 19,534.96 × 6,447.12
  4. Step 4: Simplify right side
    13,022.70x = 125,944,231.32
  5. Step 5: Solve for x
    x = 125,944,231.32/13,022.70
  6. Step 6: Final answer
    x = 9,671.13

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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.