Home / 22,239.34-30,694.08-12,813.37

Finding the Fourth Proportional to 22,239.34, 30,694.08 and 12,813.37

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Solution

The fourth proportional to 22,239.34, 30,694.08 and 12,813.37 is: 17,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.34 : 30,694.08 = 12,813.37 : x
  2. Step 2: Convert to fraction form
    22,239.34/30,694.08 = 12,813.37/x
  3. Step 3: Cross multiply
    22,239.34x = 30,694.08 × 12,813.37
  4. Step 4: Simplify right side
    22,239.34x = 393,294,603.85
  5. Step 5: Solve for x
    x = 393,294,603.85/22,239.34
  6. Step 6: Final answer
    x = 17,684.63

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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.