Home / 14,366.38-21,551.07-3,978.13

Finding the Fourth Proportional to 14,366.38, 21,551.07 and 3,978.13

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Solution

The fourth proportional to 14,366.38, 21,551.07 and 3,978.13 is: 5,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.38 : 21,551.07 = 3,978.13 : x
  2. Step 2: Convert to fraction form
    14,366.38/21,551.07 = 3,978.13/x
  3. Step 3: Cross multiply
    14,366.38x = 21,551.07 × 3,978.13
  4. Step 4: Simplify right side
    14,366.38x = 85,732,958.10
  5. Step 5: Solve for x
    x = 85,732,958.10/14,366.38
  6. Step 6: Final answer
    x = 5,967.61

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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.