Home / 14,394.38-21,578.83-5,623.16

Finding the Fourth Proportional to 14,394.38, 21,578.83 and 5,623.16

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Solution

The fourth proportional to 14,394.38, 21,578.83 and 5,623.16 is: 8,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.38 : 21,578.83 = 5,623.16 : x
  2. Step 2: Convert to fraction form
    14,394.38/21,578.83 = 5,623.16/x
  3. Step 3: Cross multiply
    14,394.38x = 21,578.83 × 5,623.16
  4. Step 4: Simplify right side
    14,394.38x = 121,341,091.75
  5. Step 5: Solve for x
    x = 121,341,091.75/14,394.38
  6. Step 6: Final answer
    x = 8,429.76

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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.