Home / 13,966.41-20,958.45-12,652.80

Finding the Fourth Proportional to 13,966.41, 20,958.45 and 12,652.80

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Solution

The fourth proportional to 13,966.41, 20,958.45 and 12,652.80 is: 18,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.41 : 20,958.45 = 12,652.80 : x
  2. Step 2: Convert to fraction form
    13,966.41/20,958.45 = 12,652.80/x
  3. Step 3: Cross multiply
    13,966.41x = 20,958.45 × 12,652.80
  4. Step 4: Simplify right side
    13,966.41x = 265,183,076.16
  5. Step 5: Solve for x
    x = 265,183,076.16/13,966.41
  6. Step 6: Final answer
    x = 18,987.20

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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.