Home / 13,243.24-19,863.64-4,478.23

Finding the Fourth Proportional to 13,243.24, 19,863.64 and 4,478.23

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Solution

The fourth proportional to 13,243.24, 19,863.64 and 4,478.23 is: 6,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.24 : 19,863.64 = 4,478.23 : x
  2. Step 2: Convert to fraction form
    13,243.24/19,863.64 = 4,478.23/x
  3. Step 3: Cross multiply
    13,243.24x = 19,863.64 × 4,478.23
  4. Step 4: Simplify right side
    13,243.24x = 88,953,948.56
  5. Step 5: Solve for x
    x = 88,953,948.56/13,243.24
  6. Step 6: Final answer
    x = 6,716.93

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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.