Home / 15,821.40-23,730.06-4,135.52

Finding the Fourth Proportional to 15,821.40, 23,730.06 and 4,135.52

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Solution

The fourth proportional to 15,821.40, 23,730.06 and 4,135.52 is: 6,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.40 : 23,730.06 = 4,135.52 : x
  2. Step 2: Convert to fraction form
    15,821.40/23,730.06 = 4,135.52/x
  3. Step 3: Cross multiply
    15,821.40x = 23,730.06 × 4,135.52
  4. Step 4: Simplify right side
    15,821.40x = 98,136,137.73
  5. Step 5: Solve for x
    x = 98,136,137.73/15,821.40
  6. Step 6: Final answer
    x = 6,202.75

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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.