Home / 19,739.10-27,240.32-10,786.98

Finding the Fourth Proportional to 19,739.10, 27,240.32 and 10,786.98

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Solution

The fourth proportional to 19,739.10, 27,240.32 and 10,786.98 is: 14,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.10 : 27,240.32 = 10,786.98 : x
  2. Step 2: Convert to fraction form
    19,739.10/27,240.32 = 10,786.98/x
  3. Step 3: Cross multiply
    19,739.10x = 27,240.32 × 10,786.98
  4. Step 4: Simplify right side
    19,739.10x = 293,840,787.03
  5. Step 5: Solve for x
    x = 293,840,787.03/19,739.10
  6. Step 6: Final answer
    x = 14,886.23

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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.