Home / 9,146.85-13,720.34-3,303.44

Finding the Fourth Proportional to 9,146.85, 13,720.34 and 3,303.44

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Solution

The fourth proportional to 9,146.85, 13,720.34 and 3,303.44 is: 4,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.85 : 13,720.34 = 3,303.44 : x
  2. Step 2: Convert to fraction form
    9,146.85/13,720.34 = 3,303.44/x
  3. Step 3: Cross multiply
    9,146.85x = 13,720.34 × 3,303.44
  4. Step 4: Simplify right side
    9,146.85x = 45,324,319.97
  5. Step 5: Solve for x
    x = 45,324,319.97/9,146.85
  6. Step 6: Final answer
    x = 4,955.18

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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.