Home / 14,281.70-21,428.68-5,522.76

Finding the Fourth Proportional to 14,281.70, 21,428.68 and 5,522.76

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Solution

The fourth proportional to 14,281.70, 21,428.68 and 5,522.76 is: 8,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.70 : 21,428.68 = 5,522.76 : x
  2. Step 2: Convert to fraction form
    14,281.70/21,428.68 = 5,522.76/x
  3. Step 3: Cross multiply
    14,281.70x = 21,428.68 × 5,522.76
  4. Step 4: Simplify right side
    14,281.70x = 118,345,456.76
  5. Step 5: Solve for x
    x = 118,345,456.76/14,281.70
  6. Step 6: Final answer
    x = 8,286.51

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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.