Home / 19,758.15-27,266.25-10,805.61

Finding the Fourth Proportional to 19,758.15, 27,266.25 and 10,805.61

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Solution

The fourth proportional to 19,758.15, 27,266.25 and 10,805.61 is: 14,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.15 : 27,266.25 = 10,805.61 : x
  2. Step 2: Convert to fraction form
    19,758.15/27,266.25 = 10,805.61/x
  3. Step 3: Cross multiply
    19,758.15x = 27,266.25 × 10,805.61
  4. Step 4: Simplify right side
    19,758.15x = 294,628,463.66
  5. Step 5: Solve for x
    x = 294,628,463.66/19,758.15
  6. Step 6: Final answer
    x = 14,911.74

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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.