Home / 14,285.90-21,429.12-5,965.94

Finding the Fourth Proportional to 14,285.90, 21,429.12 and 5,965.94

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Solution

The fourth proportional to 14,285.90, 21,429.12 and 5,965.94 is: 8,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.90 : 21,429.12 = 5,965.94 : x
  2. Step 2: Convert to fraction form
    14,285.90/21,429.12 = 5,965.94/x
  3. Step 3: Cross multiply
    14,285.90x = 21,429.12 × 5,965.94
  4. Step 4: Simplify right side
    14,285.90x = 127,844,844.17
  5. Step 5: Solve for x
    x = 127,844,844.17/14,285.90
  6. Step 6: Final answer
    x = 8,949.02

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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.