Home / 14,234.30-21,335.24-8,899.94

Finding the Fourth Proportional to 14,234.30, 21,335.24 and 8,899.94

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Solution

The fourth proportional to 14,234.30, 21,335.24 and 8,899.94 is: 13,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.30 : 21,335.24 = 8,899.94 : x
  2. Step 2: Convert to fraction form
    14,234.30/21,335.24 = 8,899.94/x
  3. Step 3: Cross multiply
    14,234.30x = 21,335.24 × 8,899.94
  4. Step 4: Simplify right side
    14,234.30x = 189,882,355.89
  5. Step 5: Solve for x
    x = 189,882,355.89/14,234.30
  6. Step 6: Final answer
    x = 13,339.77

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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.