Home / 13,789.29-20,678.93-5,892.35

Finding the Fourth Proportional to 13,789.29, 20,678.93 and 5,892.35

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Solution

The fourth proportional to 13,789.29, 20,678.93 and 5,892.35 is: 8,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.29 : 20,678.93 = 5,892.35 : x
  2. Step 2: Convert to fraction form
    13,789.29/20,678.93 = 5,892.35/x
  3. Step 3: Cross multiply
    13,789.29x = 20,678.93 × 5,892.35
  4. Step 4: Simplify right side
    13,789.29x = 121,847,382.43
  5. Step 5: Solve for x
    x = 121,847,382.43/13,789.29
  6. Step 6: Final answer
    x = 8,836.38

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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.