Home / 19,727.36-27,211.84-13,010.56

Finding the Fourth Proportional to 19,727.36, 27,211.84 and 13,010.56

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Solution

The fourth proportional to 19,727.36, 27,211.84 and 13,010.56 is: 17,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.36 : 27,211.84 = 13,010.56 : x
  2. Step 2: Convert to fraction form
    19,727.36/27,211.84 = 13,010.56/x
  3. Step 3: Cross multiply
    19,727.36x = 27,211.84 × 13,010.56
  4. Step 4: Simplify right side
    19,727.36x = 354,041,277.03
  5. Step 5: Solve for x
    x = 354,041,277.03/19,727.36
  6. Step 6: Final answer
    x = 17,946.71

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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.