Home / 14,285.08-21,415.30-6,894.73

Finding the Fourth Proportional to 14,285.08, 21,415.30 and 6,894.73

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Solution

The fourth proportional to 14,285.08, 21,415.30 and 6,894.73 is: 10,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.08 : 21,415.30 = 6,894.73 : x
  2. Step 2: Convert to fraction form
    14,285.08/21,415.30 = 6,894.73/x
  3. Step 3: Cross multiply
    14,285.08x = 21,415.30 × 6,894.73
  4. Step 4: Simplify right side
    14,285.08x = 147,652,640.59
  5. Step 5: Solve for x
    x = 147,652,640.59/14,285.08
  6. Step 6: Final answer
    x = 10,336.15

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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.