Home / 19,838.45-27,376.14-10,885.73

Finding the Fourth Proportional to 19,838.45, 27,376.14 and 10,885.73

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Solution

The fourth proportional to 19,838.45, 27,376.14 and 10,885.73 is: 15,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.45 : 27,376.14 = 10,885.73 : x
  2. Step 2: Convert to fraction form
    19,838.45/27,376.14 = 10,885.73/x
  3. Step 3: Cross multiply
    19,838.45x = 27,376.14 × 10,885.73
  4. Step 4: Simplify right side
    19,838.45x = 298,009,268.48
  5. Step 5: Solve for x
    x = 298,009,268.48/19,838.45
  6. Step 6: Final answer
    x = 15,021.80

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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.