Home / 12,528.06-18,790.06-3,761.43

Finding the Fourth Proportional to 12,528.06, 18,790.06 and 3,761.43

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Solution

The fourth proportional to 12,528.06, 18,790.06 and 3,761.43 is: 5,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.06 : 18,790.06 = 3,761.43 : x
  2. Step 2: Convert to fraction form
    12,528.06/18,790.06 = 3,761.43/x
  3. Step 3: Cross multiply
    12,528.06x = 18,790.06 × 3,761.43
  4. Step 4: Simplify right side
    12,528.06x = 70,677,495.39
  5. Step 5: Solve for x
    x = 70,677,495.39/12,528.06
  6. Step 6: Final answer
    x = 5,641.54

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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.