Home / 15,981.98-23,985.82-7,217.66

Finding the Fourth Proportional to 15,981.98, 23,985.82 and 7,217.66

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Solution

The fourth proportional to 15,981.98, 23,985.82 and 7,217.66 is: 10,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.98 : 23,985.82 = 7,217.66 : x
  2. Step 2: Convert to fraction form
    15,981.98/23,985.82 = 7,217.66/x
  3. Step 3: Cross multiply
    15,981.98x = 23,985.82 × 7,217.66
  4. Step 4: Simplify right side
    15,981.98x = 173,121,493.58
  5. Step 5: Solve for x
    x = 173,121,493.58/15,981.98
  6. Step 6: Final answer
    x = 10,832.29

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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.