Home / 10,128.89-15,193.33-2,733.35

Finding the Fourth Proportional to 10,128.89, 15,193.33 and 2,733.35

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Solution

The fourth proportional to 10,128.89, 15,193.33 and 2,733.35 is: 4,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.89 : 15,193.33 = 2,733.35 : x
  2. Step 2: Convert to fraction form
    10,128.89/15,193.33 = 2,733.35/x
  3. Step 3: Cross multiply
    10,128.89x = 15,193.33 × 2,733.35
  4. Step 4: Simplify right side
    10,128.89x = 41,528,613.44
  5. Step 5: Solve for x
    x = 41,528,613.44/10,128.89
  6. Step 6: Final answer
    x = 4,100.02

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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.