Home / 14,101.82-21,152.77-5,672.21

Finding the Fourth Proportional to 14,101.82, 21,152.77 and 5,672.21

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Solution

The fourth proportional to 14,101.82, 21,152.77 and 5,672.21 is: 8,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.82 : 21,152.77 = 5,672.21 : x
  2. Step 2: Convert to fraction form
    14,101.82/21,152.77 = 5,672.21/x
  3. Step 3: Cross multiply
    14,101.82x = 21,152.77 × 5,672.21
  4. Step 4: Simplify right side
    14,101.82x = 119,982,953.52
  5. Step 5: Solve for x
    x = 119,982,953.52/14,101.82
  6. Step 6: Final answer
    x = 8,508.33

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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.