Home / 22,419.26-30,938.79-12,348.01

Finding the Fourth Proportional to 22,419.26, 30,938.79 and 12,348.01

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Solution

The fourth proportional to 22,419.26, 30,938.79 and 12,348.01 is: 17,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.26 : 30,938.79 = 12,348.01 : x
  2. Step 2: Convert to fraction form
    22,419.26/30,938.79 = 12,348.01/x
  3. Step 3: Cross multiply
    22,419.26x = 30,938.79 × 12,348.01
  4. Step 4: Simplify right side
    22,419.26x = 382,032,488.31
  5. Step 5: Solve for x
    x = 382,032,488.31/22,419.26
  6. Step 6: Final answer
    x = 17,040.37

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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.