Home / 16,721.12-25,044.66-6,830.39

Finding the Fourth Proportional to 16,721.12, 25,044.66 and 6,830.39

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Solution

The fourth proportional to 16,721.12, 25,044.66 and 6,830.39 is: 10,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.12 : 25,044.66 = 6,830.39 : x
  2. Step 2: Convert to fraction form
    16,721.12/25,044.66 = 6,830.39/x
  3. Step 3: Cross multiply
    16,721.12x = 25,044.66 × 6,830.39
  4. Step 4: Simplify right side
    16,721.12x = 171,064,669.99
  5. Step 5: Solve for x
    x = 171,064,669.99/16,721.12
  6. Step 6: Final answer
    x = 10,230.46

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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.