Home / 12,095.11-18,138-4,698.60

Finding the Fourth Proportional to 12,095.11, 18,138 and 4,698.60

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Solution

The fourth proportional to 12,095.11, 18,138 and 4,698.60 is: 7,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.11 : 18,138 = 4,698.60 : x
  2. Step 2: Convert to fraction form
    12,095.11/18,138 = 4,698.60/x
  3. Step 3: Cross multiply
    12,095.11x = 18,138 × 4,698.60
  4. Step 4: Simplify right side
    12,095.11x = 85,223,206.80
  5. Step 5: Solve for x
    x = 85,223,206.80/12,095.11
  6. Step 6: Final answer
    x = 7,046.09

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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.