Home / 14,954.12-20,636.59-8,239.56

Finding the Fourth Proportional to 14,954.12, 20,636.59 and 8,239.56

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Solution

The fourth proportional to 14,954.12, 20,636.59 and 8,239.56 is: 11,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.12 : 20,636.59 = 8,239.56 : x
  2. Step 2: Convert to fraction form
    14,954.12/20,636.59 = 8,239.56/x
  3. Step 3: Cross multiply
    14,954.12x = 20,636.59 × 8,239.56
  4. Step 4: Simplify right side
    14,954.12x = 170,036,421.50
  5. Step 5: Solve for x
    x = 170,036,421.50/14,954.12
  6. Step 6: Final answer
    x = 11,370.54

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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.