Home / 13,446.24-20,164.20-4,678.80

Finding the Fourth Proportional to 13,446.24, 20,164.20 and 4,678.80

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Solution

The fourth proportional to 13,446.24, 20,164.20 and 4,678.80 is: 7,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.24 : 20,164.20 = 4,678.80 : x
  2. Step 2: Convert to fraction form
    13,446.24/20,164.20 = 4,678.80/x
  3. Step 3: Cross multiply
    13,446.24x = 20,164.20 × 4,678.80
  4. Step 4: Simplify right side
    13,446.24x = 94,344,258.96
  5. Step 5: Solve for x
    x = 94,344,258.96/13,446.24
  6. Step 6: Final answer
    x = 7,016.40

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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.