Home / 22,379.82-30,885.66-14,813.10

Finding the Fourth Proportional to 22,379.82, 30,885.66 and 14,813.10

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Solution

The fourth proportional to 22,379.82, 30,885.66 and 14,813.10 is: 20,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.82 : 30,885.66 = 14,813.10 : x
  2. Step 2: Convert to fraction form
    22,379.82/30,885.66 = 14,813.10/x
  3. Step 3: Cross multiply
    22,379.82x = 30,885.66 × 14,813.10
  4. Step 4: Simplify right side
    22,379.82x = 457,512,370.15
  5. Step 5: Solve for x
    x = 457,512,370.15/22,379.82
  6. Step 6: Final answer
    x = 20,443.08

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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.