Home / 12,004.39-17,995.68-4,208.95

Finding the Fourth Proportional to 12,004.39, 17,995.68 and 4,208.95

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Solution

The fourth proportional to 12,004.39, 17,995.68 and 4,208.95 is: 6,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.39 : 17,995.68 = 4,208.95 : x
  2. Step 2: Convert to fraction form
    12,004.39/17,995.68 = 4,208.95/x
  3. Step 3: Cross multiply
    12,004.39x = 17,995.68 × 4,208.95
  4. Step 4: Simplify right side
    12,004.39x = 75,742,917.34
  5. Step 5: Solve for x
    x = 75,742,917.34/12,004.39
  6. Step 6: Final answer
    x = 6,309.60

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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.