Home / 18,908.63-28,364.34-5,761.03

Finding the Fourth Proportional to 18,908.63, 28,364.34 and 5,761.03

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Solution

The fourth proportional to 18,908.63, 28,364.34 and 5,761.03 is: 8,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.63 : 28,364.34 = 5,761.03 : x
  2. Step 2: Convert to fraction form
    18,908.63/28,364.34 = 5,761.03/x
  3. Step 3: Cross multiply
    18,908.63x = 28,364.34 × 5,761.03
  4. Step 4: Simplify right side
    18,908.63x = 163,407,813.67
  5. Step 5: Solve for x
    x = 163,407,813.67/18,908.63
  6. Step 6: Final answer
    x = 8,641.97

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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.