Home / 13,627.62-20,423.75-6,125.64

Finding the Fourth Proportional to 13,627.62, 20,423.75 and 6,125.64

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Solution

The fourth proportional to 13,627.62, 20,423.75 and 6,125.64 is: 9,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.62 : 20,423.75 = 6,125.64 : x
  2. Step 2: Convert to fraction form
    13,627.62/20,423.75 = 6,125.64/x
  3. Step 3: Cross multiply
    13,627.62x = 20,423.75 × 6,125.64
  4. Step 4: Simplify right side
    13,627.62x = 125,108,539.95
  5. Step 5: Solve for x
    x = 125,108,539.95/13,627.62
  6. Step 6: Final answer
    x = 9,180.51

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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.