Home / 20,799.29-28,699.70-11,846.96

Finding the Fourth Proportional to 20,799.29, 28,699.70 and 11,846.96

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Solution

The fourth proportional to 20,799.29, 28,699.70 and 11,846.96 is: 16,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.29 : 28,699.70 = 11,846.96 : x
  2. Step 2: Convert to fraction form
    20,799.29/28,699.70 = 11,846.96/x
  3. Step 3: Cross multiply
    20,799.29x = 28,699.70 × 11,846.96
  4. Step 4: Simplify right side
    20,799.29x = 340,004,210.43
  5. Step 5: Solve for x
    x = 340,004,210.43/20,799.29
  6. Step 6: Final answer
    x = 16,346.92

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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.