Home / 14,758.12-20,364.70-8,708.20

Finding the Fourth Proportional to 14,758.12, 20,364.70 and 8,708.20

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Solution

The fourth proportional to 14,758.12, 20,364.70 and 8,708.20 is: 12,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.12 : 20,364.70 = 8,708.20 : x
  2. Step 2: Convert to fraction form
    14,758.12/20,364.70 = 8,708.20/x
  3. Step 3: Cross multiply
    14,758.12x = 20,364.70 × 8,708.20
  4. Step 4: Simplify right side
    14,758.12x = 177,339,880.54
  5. Step 5: Solve for x
    x = 177,339,880.54/14,758.12
  6. Step 6: Final answer
    x = 12,016.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.