Home / 14,489.38-19,994.62-8,899.30

Finding the Fourth Proportional to 14,489.38, 19,994.62 and 8,899.30

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Solution

The fourth proportional to 14,489.38, 19,994.62 and 8,899.30 is: 12,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.38 : 19,994.62 = 8,899.30 : x
  2. Step 2: Convert to fraction form
    14,489.38/19,994.62 = 8,899.30/x
  3. Step 3: Cross multiply
    14,489.38x = 19,994.62 × 8,899.30
  4. Step 4: Simplify right side
    14,489.38x = 177,938,121.77
  5. Step 5: Solve for x
    x = 177,938,121.77/14,489.38
  6. Step 6: Final answer
    x = 12,280.59

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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.