Home / 15,717.56-21,695.26-10,067.51

Finding the Fourth Proportional to 15,717.56, 21,695.26 and 10,067.51

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Solution

The fourth proportional to 15,717.56, 21,695.26 and 10,067.51 is: 13,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.56 : 21,695.26 = 10,067.51 : x
  2. Step 2: Convert to fraction form
    15,717.56/21,695.26 = 10,067.51/x
  3. Step 3: Cross multiply
    15,717.56x = 21,695.26 × 10,067.51
  4. Step 4: Simplify right side
    15,717.56x = 218,417,172.91
  5. Step 5: Solve for x
    x = 218,417,172.91/15,717.56
  6. Step 6: Final answer
    x = 13,896.38

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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.