Home / 19,842.93-27,382.37-10,890.45

Finding the Fourth Proportional to 19,842.93, 27,382.37 and 10,890.45

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Solution

The fourth proportional to 19,842.93, 27,382.37 and 10,890.45 is: 15,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.93 : 27,382.37 = 10,890.45 : x
  2. Step 2: Convert to fraction form
    19,842.93/27,382.37 = 10,890.45/x
  3. Step 3: Cross multiply
    19,842.93x = 27,382.37 × 10,890.45
  4. Step 4: Simplify right side
    19,842.93x = 298,206,276.91
  5. Step 5: Solve for x
    x = 298,206,276.91/19,842.93
  6. Step 6: Final answer
    x = 15,028.34

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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.