Home / 22,539.75-31,102.45-12,466.59

Finding the Fourth Proportional to 22,539.75, 31,102.45 and 12,466.59

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Solution

The fourth proportional to 22,539.75, 31,102.45 and 12,466.59 is: 17,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.75 : 31,102.45 = 12,466.59 : x
  2. Step 2: Convert to fraction form
    22,539.75/31,102.45 = 12,466.59/x
  3. Step 3: Cross multiply
    22,539.75x = 31,102.45 × 12,466.59
  4. Step 4: Simplify right side
    22,539.75x = 387,741,492.15
  5. Step 5: Solve for x
    x = 387,741,492.15/22,539.75
  6. Step 6: Final answer
    x = 17,202.56

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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.