Home / 19,761.49-27,271.65-10,809.37

Finding the Fourth Proportional to 19,761.49, 27,271.65 and 10,809.37

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Solution

The fourth proportional to 19,761.49, 27,271.65 and 10,809.37 is: 14,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.49 : 27,271.65 = 10,809.37 : x
  2. Step 2: Convert to fraction form
    19,761.49/27,271.65 = 10,809.37/x
  3. Step 3: Cross multiply
    19,761.49x = 27,271.65 × 10,809.37
  4. Step 4: Simplify right side
    19,761.49x = 294,789,355.36
  5. Step 5: Solve for x
    x = 294,789,355.36/19,761.49
  6. Step 6: Final answer
    x = 14,917.36

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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.