Home / 14,189.64-21,284.46-5,306.91

Finding the Fourth Proportional to 14,189.64, 21,284.46 and 5,306.91

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Solution

The fourth proportional to 14,189.64, 21,284.46 and 5,306.91 is: 7,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.64 : 21,284.46 = 5,306.91 : x
  2. Step 2: Convert to fraction form
    14,189.64/21,284.46 = 5,306.91/x
  3. Step 3: Cross multiply
    14,189.64x = 21,284.46 × 5,306.91
  4. Step 4: Simplify right side
    14,189.64x = 112,954,713.62
  5. Step 5: Solve for x
    x = 112,954,713.62/14,189.64
  6. Step 6: Final answer
    x = 7,960.37

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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.