Home / 13,922.07-19,215.53-10,891.19

Finding the Fourth Proportional to 13,922.07, 19,215.53 and 10,891.19

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Solution

The fourth proportional to 13,922.07, 19,215.53 and 10,891.19 is: 15,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.07 : 19,215.53 = 10,891.19 : x
  2. Step 2: Convert to fraction form
    13,922.07/19,215.53 = 10,891.19/x
  3. Step 3: Cross multiply
    13,922.07x = 19,215.53 × 10,891.19
  4. Step 4: Simplify right side
    13,922.07x = 209,279,837.65
  5. Step 5: Solve for x
    x = 209,279,837.65/13,922.07
  6. Step 6: Final answer
    x = 15,032.24

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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.