Home / 14,220.66-21,335.61-9,299.94

Finding the Fourth Proportional to 14,220.66, 21,335.61 and 9,299.94

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Solution

The fourth proportional to 14,220.66, 21,335.61 and 9,299.94 is: 13,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.66 : 21,335.61 = 9,299.94 : x
  2. Step 2: Convert to fraction form
    14,220.66/21,335.61 = 9,299.94/x
  3. Step 3: Cross multiply
    14,220.66x = 21,335.61 × 9,299.94
  4. Step 4: Simplify right side
    14,220.66x = 198,419,892.86
  5. Step 5: Solve for x
    x = 198,419,892.86/14,220.66
  6. Step 6: Final answer
    x = 13,952.93

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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.