Home / 14,188.56-21,290.04-6,395.64

Finding the Fourth Proportional to 14,188.56, 21,290.04 and 6,395.64

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Solution

The fourth proportional to 14,188.56, 21,290.04 and 6,395.64 is: 9,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.56 : 21,290.04 = 6,395.64 : x
  2. Step 2: Convert to fraction form
    14,188.56/21,290.04 = 6,395.64/x
  3. Step 3: Cross multiply
    14,188.56x = 21,290.04 × 6,395.64
  4. Step 4: Simplify right side
    14,188.56x = 136,163,431.43
  5. Step 5: Solve for x
    x = 136,163,431.43/14,188.56
  6. Step 6: Final answer
    x = 9,596.71

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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.