Home / 10,198.21-15,264.48-5,261.05

Finding the Fourth Proportional to 10,198.21, 15,264.48 and 5,261.05

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Solution

The fourth proportional to 10,198.21, 15,264.48 and 5,261.05 is: 7,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.21 : 15,264.48 = 5,261.05 : x
  2. Step 2: Convert to fraction form
    10,198.21/15,264.48 = 5,261.05/x
  3. Step 3: Cross multiply
    10,198.21x = 15,264.48 × 5,261.05
  4. Step 4: Simplify right side
    10,198.21x = 80,307,192.50
  5. Step 5: Solve for x
    x = 80,307,192.50/10,198.21
  6. Step 6: Final answer
    x = 7,874.64

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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.