Home / 14,508.63-20,020.38-8,539.94

Finding the Fourth Proportional to 14,508.63, 20,020.38 and 8,539.94

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Solution

The fourth proportional to 14,508.63, 20,020.38 and 8,539.94 is: 11,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.63 : 20,020.38 = 8,539.94 : x
  2. Step 2: Convert to fraction form
    14,508.63/20,020.38 = 8,539.94/x
  3. Step 3: Cross multiply
    14,508.63x = 20,020.38 × 8,539.94
  4. Step 4: Simplify right side
    14,508.63x = 170,972,743.88
  5. Step 5: Solve for x
    x = 170,972,743.88/14,508.63
  6. Step 6: Final answer
    x = 11,784.21

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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.