Home / 14,189.64-21,284.24-6,392.92

Finding the Fourth Proportional to 14,189.64, 21,284.24 and 6,392.92

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Solution

The fourth proportional to 14,189.64, 21,284.24 and 6,392.92 is: 9,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.64 : 21,284.24 = 6,392.92 : x
  2. Step 2: Convert to fraction form
    14,189.64/21,284.24 = 6,392.92/x
  3. Step 3: Cross multiply
    14,189.64x = 21,284.24 × 6,392.92
  4. Step 4: Simplify right side
    14,189.64x = 136,068,443.58
  5. Step 5: Solve for x
    x = 136,068,443.58/14,189.64
  6. Step 6: Final answer
    x = 9,589.28

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Double scale
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Similar ratio
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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.