Home / 19,918.24-27,487.35-10,965.94

Finding the Fourth Proportional to 19,918.24, 27,487.35 and 10,965.94

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Solution

The fourth proportional to 19,918.24, 27,487.35 and 10,965.94 is: 15,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.24 : 27,487.35 = 10,965.94 : x
  2. Step 2: Convert to fraction form
    19,918.24/27,487.35 = 10,965.94/x
  3. Step 3: Cross multiply
    19,918.24x = 27,487.35 × 10,965.94
  4. Step 4: Simplify right side
    19,918.24x = 301,424,562.14
  5. Step 5: Solve for x
    x = 301,424,562.14/19,918.24
  6. Step 6: Final answer
    x = 15,133.09

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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.