Home / 19,759.20-27,268.02-11,802.12

Finding the Fourth Proportional to 19,759.20, 27,268.02 and 11,802.12

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Solution

The fourth proportional to 19,759.20, 27,268.02 and 11,802.12 is: 16,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.20 : 27,268.02 = 11,802.12 : x
  2. Step 2: Convert to fraction form
    19,759.20/27,268.02 = 11,802.12/x
  3. Step 3: Cross multiply
    19,759.20x = 27,268.02 × 11,802.12
  4. Step 4: Simplify right side
    19,759.20x = 321,820,444.20
  5. Step 5: Solve for x
    x = 321,820,444.20/19,759.20
  6. Step 6: Final answer
    x = 16,287.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.