Home / 14,032.38-21,078.26-8,841.90

Finding the Fourth Proportional to 14,032.38, 21,078.26 and 8,841.90

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Solution

The fourth proportional to 14,032.38, 21,078.26 and 8,841.90 is: 13,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.38 : 21,078.26 = 8,841.90 : x
  2. Step 2: Convert to fraction form
    14,032.38/21,078.26 = 8,841.90/x
  3. Step 3: Cross multiply
    14,032.38x = 21,078.26 × 8,841.90
  4. Step 4: Simplify right side
    14,032.38x = 186,371,867.09
  5. Step 5: Solve for x
    x = 186,371,867.09/14,032.38
  6. Step 6: Final answer
    x = 13,281.56

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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.