Home / 13,453.90-20,162.42-6,866.27

Finding the Fourth Proportional to 13,453.90, 20,162.42 and 6,866.27

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Solution

The fourth proportional to 13,453.90, 20,162.42 and 6,866.27 is: 10,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.90 : 20,162.42 = 6,866.27 : x
  2. Step 2: Convert to fraction form
    13,453.90/20,162.42 = 6,866.27/x
  3. Step 3: Cross multiply
    13,453.90x = 20,162.42 × 6,866.27
  4. Step 4: Simplify right side
    13,453.90x = 138,440,585.79
  5. Step 5: Solve for x
    x = 138,440,585.79/13,453.90
  6. Step 6: Final answer
    x = 10,290.00

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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.