Home / 22,677.21-31,291.11-12,605.73

Finding the Fourth Proportional to 22,677.21, 31,291.11 and 12,605.73

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Solution

The fourth proportional to 22,677.21, 31,291.11 and 12,605.73 is: 17,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.21 : 31,291.11 = 12,605.73 : x
  2. Step 2: Convert to fraction form
    22,677.21/31,291.11 = 12,605.73/x
  3. Step 3: Cross multiply
    22,677.21x = 31,291.11 × 12,605.73
  4. Step 4: Simplify right side
    22,677.21x = 394,447,284.06
  5. Step 5: Solve for x
    x = 394,447,284.06/22,677.21
  6. Step 6: Final answer
    x = 17,394.00

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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.