Home / 19,738.10-27,238.94-10,785.98

Finding the Fourth Proportional to 19,738.10, 27,238.94 and 10,785.98

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Solution

The fourth proportional to 19,738.10, 27,238.94 and 10,785.98 is: 14,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.10 : 27,238.94 = 10,785.98 : x
  2. Step 2: Convert to fraction form
    19,738.10/27,238.94 = 10,785.98/x
  3. Step 3: Cross multiply
    19,738.10x = 27,238.94 × 10,785.98
  4. Step 4: Simplify right side
    19,738.10x = 293,798,471.94
  5. Step 5: Solve for x
    x = 293,798,471.94/19,738.10
  6. Step 6: Final answer
    x = 14,884.84

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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.