Home / 10,200.82-15,271.35-7,745.26

Finding the Fourth Proportional to 10,200.82, 15,271.35 and 7,745.26

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Solution

The fourth proportional to 10,200.82, 15,271.35 and 7,745.26 is: 11,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.82 : 15,271.35 = 7,745.26 : x
  2. Step 2: Convert to fraction form
    10,200.82/15,271.35 = 7,745.26/x
  3. Step 3: Cross multiply
    10,200.82x = 15,271.35 × 7,745.26
  4. Step 4: Simplify right side
    10,200.82x = 118,280,576.30
  5. Step 5: Solve for x
    x = 118,280,576.30/10,200.82
  6. Step 6: Final answer
    x = 11,595.20

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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.