Home / 9,415.44-14,127.21-4,485.11

Finding the Fourth Proportional to 9,415.44, 14,127.21 and 4,485.11

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Solution

The fourth proportional to 9,415.44, 14,127.21 and 4,485.11 is: 6,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.44 : 14,127.21 = 4,485.11 : x
  2. Step 2: Convert to fraction form
    9,415.44/14,127.21 = 4,485.11/x
  3. Step 3: Cross multiply
    9,415.44x = 14,127.21 × 4,485.11
  4. Step 4: Simplify right side
    9,415.44x = 63,362,020.21
  5. Step 5: Solve for x
    x = 63,362,020.21/9,415.44
  6. Step 6: Final answer
    x = 6,729.59

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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.