Home / 14,719.37-20,366.21-12,834.88

Finding the Fourth Proportional to 14,719.37, 20,366.21 and 12,834.88

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Solution

The fourth proportional to 14,719.37, 20,366.21 and 12,834.88 is: 17,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.37 : 20,366.21 = 12,834.88 : x
  2. Step 2: Convert to fraction form
    14,719.37/20,366.21 = 12,834.88/x
  3. Step 3: Cross multiply
    14,719.37x = 20,366.21 × 12,834.88
  4. Step 4: Simplify right side
    14,719.37x = 261,397,842.58
  5. Step 5: Solve for x
    x = 261,397,842.58/14,719.37
  6. Step 6: Final answer
    x = 17,758.77

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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.