Home / 13,369.04-20,043.48-8,102.96

Finding the Fourth Proportional to 13,369.04, 20,043.48 and 8,102.96

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Solution

The fourth proportional to 13,369.04, 20,043.48 and 8,102.96 is: 12,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.04 : 20,043.48 = 8,102.96 : x
  2. Step 2: Convert to fraction form
    13,369.04/20,043.48 = 8,102.96/x
  3. Step 3: Cross multiply
    13,369.04x = 20,043.48 × 8,102.96
  4. Step 4: Simplify right side
    13,369.04x = 162,411,516.70
  5. Step 5: Solve for x
    x = 162,411,516.70/13,369.04
  6. Step 6: Final answer
    x = 12,148.33

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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.