Home / 19,736.88-27,236.54-10,784.15

Finding the Fourth Proportional to 19,736.88, 27,236.54 and 10,784.15

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Solution

The fourth proportional to 19,736.88, 27,236.54 and 10,784.15 is: 14,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.88 : 27,236.54 = 10,784.15 : x
  2. Step 2: Convert to fraction form
    19,736.88/27,236.54 = 10,784.15/x
  3. Step 3: Cross multiply
    19,736.88x = 27,236.54 × 10,784.15
  4. Step 4: Simplify right side
    19,736.88x = 293,722,742.74
  5. Step 5: Solve for x
    x = 293,722,742.74/19,736.88
  6. Step 6: Final answer
    x = 14,881.92

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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.