Home / 15,636.40-23,454.74-3,949.61

Finding the Fourth Proportional to 15,636.40, 23,454.74 and 3,949.61

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Solution

The fourth proportional to 15,636.40, 23,454.74 and 3,949.61 is: 5,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.40 : 23,454.74 = 3,949.61 : x
  2. Step 2: Convert to fraction form
    15,636.40/23,454.74 = 3,949.61/x
  3. Step 3: Cross multiply
    15,636.40x = 23,454.74 × 3,949.61
  4. Step 4: Simplify right side
    15,636.40x = 92,636,968.25
  5. Step 5: Solve for x
    x = 92,636,968.25/15,636.40
  6. Step 6: Final answer
    x = 5,924.44

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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.