Home / 13,627.12-20,436.06-4,860.76

Finding the Fourth Proportional to 13,627.12, 20,436.06 and 4,860.76

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Solution

The fourth proportional to 13,627.12, 20,436.06 and 4,860.76 is: 7,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.12 : 20,436.06 = 4,860.76 : x
  2. Step 2: Convert to fraction form
    13,627.12/20,436.06 = 4,860.76/x
  3. Step 3: Cross multiply
    13,627.12x = 20,436.06 × 4,860.76
  4. Step 4: Simplify right side
    13,627.12x = 99,334,783.01
  5. Step 5: Solve for x
    x = 99,334,783.01/13,627.12
  6. Step 6: Final answer
    x = 7,289.49

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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.