Home / 10,211.44-14,091.48-5,735.20

Finding the Fourth Proportional to 10,211.44, 14,091.48 and 5,735.20

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Solution

The fourth proportional to 10,211.44, 14,091.48 and 5,735.20 is: 7,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.44 : 14,091.48 = 5,735.20 : x
  2. Step 2: Convert to fraction form
    10,211.44/14,091.48 = 5,735.20/x
  3. Step 3: Cross multiply
    10,211.44x = 14,091.48 × 5,735.20
  4. Step 4: Simplify right side
    10,211.44x = 80,817,456.10
  5. Step 5: Solve for x
    x = 80,817,456.10/10,211.44
  6. Step 6: Final answer
    x = 7,914.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.