Home / 14,133.92-21,203.84-4,273.92

Finding the Fourth Proportional to 14,133.92, 21,203.84 and 4,273.92

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Solution

The fourth proportional to 14,133.92, 21,203.84 and 4,273.92 is: 6,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.92 : 21,203.84 = 4,273.92 : x
  2. Step 2: Convert to fraction form
    14,133.92/21,203.84 = 4,273.92/x
  3. Step 3: Cross multiply
    14,133.92x = 21,203.84 × 4,273.92
  4. Step 4: Simplify right side
    14,133.92x = 90,623,515.85
  5. Step 5: Solve for x
    x = 90,623,515.85/14,133.92
  6. Step 6: Final answer
    x = 6,411.78

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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.