Home / 14,084.40-21,127.68-4,222.96

Finding the Fourth Proportional to 14,084.40, 21,127.68 and 4,222.96

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Solution

The fourth proportional to 14,084.40, 21,127.68 and 4,222.96 is: 6,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.40 : 21,127.68 = 4,222.96 : x
  2. Step 2: Convert to fraction form
    14,084.40/21,127.68 = 4,222.96/x
  3. Step 3: Cross multiply
    14,084.40x = 21,127.68 × 4,222.96
  4. Step 4: Simplify right side
    14,084.40x = 89,221,347.53
  5. Step 5: Solve for x
    x = 89,221,347.53/14,084.40
  6. Step 6: Final answer
    x = 6,334.76

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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.