Home / 14,285.76-19,716.24-8,623.72

Finding the Fourth Proportional to 14,285.76, 19,716.24 and 8,623.72

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Solution

The fourth proportional to 14,285.76, 19,716.24 and 8,623.72 is: 11,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.76 : 19,716.24 = 8,623.72 : x
  2. Step 2: Convert to fraction form
    14,285.76/19,716.24 = 8,623.72/x
  3. Step 3: Cross multiply
    14,285.76x = 19,716.24 × 8,623.72
  4. Step 4: Simplify right side
    14,285.76x = 170,027,333.21
  5. Step 5: Solve for x
    x = 170,027,333.21/14,285.76
  6. Step 6: Final answer
    x = 11,901.88

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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.