Home / 12,628.50-18,935.46-5,608.50

Finding the Fourth Proportional to 12,628.50, 18,935.46 and 5,608.50

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Solution

The fourth proportional to 12,628.50, 18,935.46 and 5,608.50 is: 8,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.50 : 18,935.46 = 5,608.50 : x
  2. Step 2: Convert to fraction form
    12,628.50/18,935.46 = 5,608.50/x
  3. Step 3: Cross multiply
    12,628.50x = 18,935.46 × 5,608.50
  4. Step 4: Simplify right side
    12,628.50x = 106,199,527.41
  5. Step 5: Solve for x
    x = 106,199,527.41/12,628.50
  6. Step 6: Final answer
    x = 8,409.51

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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.