Home / 14,153.52-21,234.16-4,293.12

Finding the Fourth Proportional to 14,153.52, 21,234.16 and 4,293.12

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Solution

The fourth proportional to 14,153.52, 21,234.16 and 4,293.12 is: 6,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.52 : 21,234.16 = 4,293.12 : x
  2. Step 2: Convert to fraction form
    14,153.52/21,234.16 = 4,293.12/x
  3. Step 3: Cross multiply
    14,153.52x = 21,234.16 × 4,293.12
  4. Step 4: Simplify right side
    14,153.52x = 91,160,796.98
  5. Step 5: Solve for x
    x = 91,160,796.98/14,153.52
  6. Step 6: Final answer
    x = 6,440.86

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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.