Home / 12,028.89-18,042.93-4,237.50

Finding the Fourth Proportional to 12,028.89, 18,042.93 and 4,237.50

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Solution

The fourth proportional to 12,028.89, 18,042.93 and 4,237.50 is: 6,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.89 : 18,042.93 = 4,237.50 : x
  2. Step 2: Convert to fraction form
    12,028.89/18,042.93 = 4,237.50/x
  3. Step 3: Cross multiply
    12,028.89x = 18,042.93 × 4,237.50
  4. Step 4: Simplify right side
    12,028.89x = 76,456,915.88
  5. Step 5: Solve for x
    x = 76,456,915.88/12,028.89
  6. Step 6: Final answer
    x = 6,356.11

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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.