Home / 19,245.13-28,830.30-10,899.43

Finding the Fourth Proportional to 19,245.13, 28,830.30 and 10,899.43

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Solution

The fourth proportional to 19,245.13, 28,830.30 and 10,899.43 is: 16,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.13 : 28,830.30 = 10,899.43 : x
  2. Step 2: Convert to fraction form
    19,245.13/28,830.30 = 10,899.43/x
  3. Step 3: Cross multiply
    19,245.13x = 28,830.30 × 10,899.43
  4. Step 4: Simplify right side
    19,245.13x = 314,233,836.73
  5. Step 5: Solve for x
    x = 314,233,836.73/19,245.13
  6. Step 6: Final answer
    x = 16,327.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.