Home / 19,775.61-27,297.29-12,227.73

Finding the Fourth Proportional to 19,775.61, 27,297.29 and 12,227.73

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Solution

The fourth proportional to 19,775.61, 27,297.29 and 12,227.73 is: 16,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.61 : 27,297.29 = 12,227.73 : x
  2. Step 2: Convert to fraction form
    19,775.61/27,297.29 = 12,227.73/x
  3. Step 3: Cross multiply
    19,775.61x = 27,297.29 × 12,227.73
  4. Step 4: Simplify right side
    19,775.61x = 333,783,830.71
  5. Step 5: Solve for x
    x = 333,783,830.71/19,775.61
  6. Step 6: Final answer
    x = 16,878.56

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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.