Home / 14,392.38-19,863.60-8,425.92

Finding the Fourth Proportional to 14,392.38, 19,863.60 and 8,425.92

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Solution

The fourth proportional to 14,392.38, 19,863.60 and 8,425.92 is: 11,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.38 : 19,863.60 = 8,425.92 : x
  2. Step 2: Convert to fraction form
    14,392.38/19,863.60 = 8,425.92/x
  3. Step 3: Cross multiply
    14,392.38x = 19,863.60 × 8,425.92
  4. Step 4: Simplify right side
    14,392.38x = 167,369,104.51
  5. Step 5: Solve for x
    x = 167,369,104.51/14,392.38
  6. Step 6: Final answer
    x = 11,629.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.