Home / 19,800.27-27,324.86-10,847.78

Finding the Fourth Proportional to 19,800.27, 27,324.86 and 10,847.78

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Solution

The fourth proportional to 19,800.27, 27,324.86 and 10,847.78 is: 14,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.27 : 27,324.86 = 10,847.78 : x
  2. Step 2: Convert to fraction form
    19,800.27/27,324.86 = 10,847.78/x
  3. Step 3: Cross multiply
    19,800.27x = 27,324.86 × 10,847.78
  4. Step 4: Simplify right side
    19,800.27x = 296,414,069.81
  5. Step 5: Solve for x
    x = 296,414,069.81/19,800.27
  6. Step 6: Final answer
    x = 14,970.20

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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.