Home / 13,657.04-20,469.48-5,757.86

Finding the Fourth Proportional to 13,657.04, 20,469.48 and 5,757.86

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Solution

The fourth proportional to 13,657.04, 20,469.48 and 5,757.86 is: 8,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.04 : 20,469.48 = 5,757.86 : x
  2. Step 2: Convert to fraction form
    13,657.04/20,469.48 = 5,757.86/x
  3. Step 3: Cross multiply
    13,657.04x = 20,469.48 × 5,757.86
  4. Step 4: Simplify right side
    13,657.04x = 117,860,400.11
  5. Step 5: Solve for x
    x = 117,860,400.11/13,657.04
  6. Step 6: Final answer
    x = 8,630.01

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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.