Home / 19,790.49-27,310.41-10,838.37

Finding the Fourth Proportional to 19,790.49, 27,310.41 and 10,838.37

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Solution

The fourth proportional to 19,790.49, 27,310.41 and 10,838.37 is: 14,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.49 : 27,310.41 = 10,838.37 : x
  2. Step 2: Convert to fraction form
    19,790.49/27,310.41 = 10,838.37/x
  3. Step 3: Cross multiply
    19,790.49x = 27,310.41 × 10,838.37
  4. Step 4: Simplify right side
    19,790.49x = 296,000,328.43
  5. Step 5: Solve for x
    x = 296,000,328.43/19,790.49
  6. Step 6: Final answer
    x = 14,956.70

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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.