Home / 15,144.75-22,717.33-4,756.50

Finding the Fourth Proportional to 15,144.75, 22,717.33 and 4,756.50

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Solution

The fourth proportional to 15,144.75, 22,717.33 and 4,756.50 is: 7,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.75 : 22,717.33 = 4,756.50 : x
  2. Step 2: Convert to fraction form
    15,144.75/22,717.33 = 4,756.50/x
  3. Step 3: Cross multiply
    15,144.75x = 22,717.33 × 4,756.50
  4. Step 4: Simplify right side
    15,144.75x = 108,054,968.25
  5. Step 5: Solve for x
    x = 108,054,968.25/15,144.75
  6. Step 6: Final answer
    x = 7,134.81

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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.