Home / 12,304.37-18,459.54-3,539.22

Finding the Fourth Proportional to 12,304.37, 18,459.54 and 3,539.22

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Solution

The fourth proportional to 12,304.37, 18,459.54 and 3,539.22 is: 5,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.37 : 18,459.54 = 3,539.22 : x
  2. Step 2: Convert to fraction form
    12,304.37/18,459.54 = 3,539.22/x
  3. Step 3: Cross multiply
    12,304.37x = 18,459.54 × 3,539.22
  4. Step 4: Simplify right side
    12,304.37x = 65,332,373.16
  5. Step 5: Solve for x
    x = 65,332,373.16/12,304.37
  6. Step 6: Final answer
    x = 5,309.69

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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.