Home / 12,297.07-18,471.12-11,969.02

Finding the Fourth Proportional to 12,297.07, 18,471.12 and 11,969.02

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Solution

The fourth proportional to 12,297.07, 18,471.12 and 11,969.02 is: 17,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.07 : 18,471.12 = 11,969.02 : x
  2. Step 2: Convert to fraction form
    12,297.07/18,471.12 = 11,969.02/x
  3. Step 3: Cross multiply
    12,297.07x = 18,471.12 × 11,969.02
  4. Step 4: Simplify right side
    12,297.07x = 221,081,204.70
  5. Step 5: Solve for x
    x = 221,081,204.70/12,297.07
  6. Step 6: Final answer
    x = 17,978.36

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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.