Home / 13,406.42-20,108.80-6,008.89

Finding the Fourth Proportional to 13,406.42, 20,108.80 and 6,008.89

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Solution

The fourth proportional to 13,406.42, 20,108.80 and 6,008.89 is: 9,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406.42 : 20,108.80 = 6,008.89 : x
  2. Step 2: Convert to fraction form
    13,406.42/20,108.80 = 6,008.89/x
  3. Step 3: Cross multiply
    13,406.42x = 20,108.80 × 6,008.89
  4. Step 4: Simplify right side
    13,406.42x = 120,831,567.23
  5. Step 5: Solve for x
    x = 120,831,567.23/13,406.42
  6. Step 6: Final answer
    x = 9,012.96

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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.