Home / 10,271.82-15,407.73-4,120.14

Finding the Fourth Proportional to 10,271.82, 15,407.73 and 4,120.14

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Solution

The fourth proportional to 10,271.82, 15,407.73 and 4,120.14 is: 6,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.82 : 15,407.73 = 4,120.14 : x
  2. Step 2: Convert to fraction form
    10,271.82/15,407.73 = 4,120.14/x
  3. Step 3: Cross multiply
    10,271.82x = 15,407.73 × 4,120.14
  4. Step 4: Simplify right side
    10,271.82x = 63,482,004.68
  5. Step 5: Solve for x
    x = 63,482,004.68/10,271.82
  6. Step 6: Final answer
    x = 6,180.21

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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.