Home / 14,318.20-21,486.36-7,748.92

Finding the Fourth Proportional to 14,318.20, 21,486.36 and 7,748.92

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Solution

The fourth proportional to 14,318.20, 21,486.36 and 7,748.92 is: 11,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.20 : 21,486.36 = 7,748.92 : x
  2. Step 2: Convert to fraction form
    14,318.20/21,486.36 = 7,748.92/x
  3. Step 3: Cross multiply
    14,318.20x = 21,486.36 × 7,748.92
  4. Step 4: Simplify right side
    14,318.20x = 166,496,084.73
  5. Step 5: Solve for x
    x = 166,496,084.73/14,318.20
  6. Step 6: Final answer
    x = 11,628.28

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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.