Home / 14,429.92-21,644.88-6,644.20

Finding the Fourth Proportional to 14,429.92, 21,644.88 and 6,644.20

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Solution

The fourth proportional to 14,429.92, 21,644.88 and 6,644.20 is: 9,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.92 : 21,644.88 = 6,644.20 : x
  2. Step 2: Convert to fraction form
    14,429.92/21,644.88 = 6,644.20/x
  3. Step 3: Cross multiply
    14,429.92x = 21,644.88 × 6,644.20
  4. Step 4: Simplify right side
    14,429.92x = 143,812,911.70
  5. Step 5: Solve for x
    x = 143,812,911.70/14,429.92
  6. Step 6: Final answer
    x = 9,966.30

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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.