Home / 22,269.21-30,710.30-13,315.26

Finding the Fourth Proportional to 22,269.21, 30,710.30 and 13,315.26

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Solution

The fourth proportional to 22,269.21, 30,710.30 and 13,315.26 is: 18,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.21 : 30,710.30 = 13,315.26 : x
  2. Step 2: Convert to fraction form
    22,269.21/30,710.30 = 13,315.26/x
  3. Step 3: Cross multiply
    22,269.21x = 30,710.30 × 13,315.26
  4. Step 4: Simplify right side
    22,269.21x = 408,915,409.05
  5. Step 5: Solve for x
    x = 408,915,409.05/22,269.21
  6. Step 6: Final answer
    x = 18,362.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.