Home / 13,890.64-20,827.07-5,998.30

Finding the Fourth Proportional to 13,890.64, 20,827.07 and 5,998.30

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Solution

The fourth proportional to 13,890.64, 20,827.07 and 5,998.30 is: 8,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.64 : 20,827.07 = 5,998.30 : x
  2. Step 2: Convert to fraction form
    13,890.64/20,827.07 = 5,998.30/x
  3. Step 3: Cross multiply
    13,890.64x = 20,827.07 × 5,998.30
  4. Step 4: Simplify right side
    13,890.64x = 124,927,105.31
  5. Step 5: Solve for x
    x = 124,927,105.31/13,890.64
  6. Step 6: Final answer
    x = 8,993.62

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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.