Home / 19,758.88-27,265.40-10,805.68

Finding the Fourth Proportional to 19,758.88, 27,265.40 and 10,805.68

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Solution

The fourth proportional to 19,758.88, 27,265.40 and 10,805.68 is: 14,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.88 : 27,265.40 = 10,805.68 : x
  2. Step 2: Convert to fraction form
    19,758.88/27,265.40 = 10,805.68/x
  3. Step 3: Cross multiply
    19,758.88x = 27,265.40 × 10,805.68
  4. Step 4: Simplify right side
    19,758.88x = 294,621,187.47
  5. Step 5: Solve for x
    x = 294,621,187.47/19,758.88
  6. Step 6: Final answer
    x = 14,910.82

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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.