Home / 19,918.43-27,486.33-10,964.48

Finding the Fourth Proportional to 19,918.43, 27,486.33 and 10,964.48

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Solution

The fourth proportional to 19,918.43, 27,486.33 and 10,964.48 is: 15,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.43 : 27,486.33 = 10,964.48 : x
  2. Step 2: Convert to fraction form
    19,918.43/27,486.33 = 10,964.48/x
  3. Step 3: Cross multiply
    19,918.43x = 27,486.33 × 10,964.48
  4. Step 4: Simplify right side
    19,918.43x = 301,373,315.56
  5. Step 5: Solve for x
    x = 301,373,315.56/19,918.43
  6. Step 6: Final answer
    x = 15,130.38

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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.