Home / 13,608.04-20,409.18-6,207.64

Finding the Fourth Proportional to 13,608.04, 20,409.18 and 6,207.64

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Solution

The fourth proportional to 13,608.04, 20,409.18 and 6,207.64 is: 9,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.04 : 20,409.18 = 6,207.64 : x
  2. Step 2: Convert to fraction form
    13,608.04/20,409.18 = 6,207.64/x
  3. Step 3: Cross multiply
    13,608.04x = 20,409.18 × 6,207.64
  4. Step 4: Simplify right side
    13,608.04x = 126,692,842.14
  5. Step 5: Solve for x
    x = 126,692,842.14/13,608.04
  6. Step 6: Final answer
    x = 9,310.15

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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.