Home / 14,623-21,936.78-4,759.95

Finding the Fourth Proportional to 14,623, 21,936.78 and 4,759.95

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Solution

The fourth proportional to 14,623, 21,936.78 and 4,759.95 is: 7,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623 : 21,936.78 = 4,759.95 : x
  2. Step 2: Convert to fraction form
    14,623/21,936.78 = 4,759.95/x
  3. Step 3: Cross multiply
    14,623x = 21,936.78 × 4,759.95
  4. Step 4: Simplify right side
    14,623x = 104,417,975.96
  5. Step 5: Solve for x
    x = 104,417,975.96/14,623
  6. Step 6: Final answer
    x = 7,140.67

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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.