Home / 15,880.15-23,818.40-4,786.82

Finding the Fourth Proportional to 15,880.15, 23,818.40 and 4,786.82

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Solution

The fourth proportional to 15,880.15, 23,818.40 and 4,786.82 is: 7,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.15 : 23,818.40 = 4,786.82 : x
  2. Step 2: Convert to fraction form
    15,880.15/23,818.40 = 4,786.82/x
  3. Step 3: Cross multiply
    15,880.15x = 23,818.40 × 4,786.82
  4. Step 4: Simplify right side
    15,880.15x = 114,014,451.65
  5. Step 5: Solve for x
    x = 114,014,451.65/15,880.15
  6. Step 6: Final answer
    x = 7,179.68

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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.