Home / 19,888.57-27,446.34-10,936.65

Finding the Fourth Proportional to 19,888.57, 27,446.34 and 10,936.65

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Solution

The fourth proportional to 19,888.57, 27,446.34 and 10,936.65 is: 15,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.57 : 27,446.34 = 10,936.65 : x
  2. Step 2: Convert to fraction form
    19,888.57/27,446.34 = 10,936.65/x
  3. Step 3: Cross multiply
    19,888.57x = 27,446.34 × 10,936.65
  4. Step 4: Simplify right side
    19,888.57x = 300,171,014.36
  5. Step 5: Solve for x
    x = 300,171,014.36/19,888.57
  6. Step 6: Final answer
    x = 15,092.64

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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.