Home / 22,430.98-33,603.35-12,540.26

Finding the Fourth Proportional to 22,430.98, 33,603.35 and 12,540.26

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Solution

The fourth proportional to 22,430.98, 33,603.35 and 12,540.26 is: 18,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.98 : 33,603.35 = 12,540.26 : x
  2. Step 2: Convert to fraction form
    22,430.98/33,603.35 = 12,540.26/x
  3. Step 3: Cross multiply
    22,430.98x = 33,603.35 × 12,540.26
  4. Step 4: Simplify right side
    22,430.98x = 421,394,683.17
  5. Step 5: Solve for x
    x = 421,394,683.17/22,430.98
  6. Step 6: Final answer
    x = 18,786.28

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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.