Home / 12,583.05-18,883.61-4,686.65

Finding the Fourth Proportional to 12,583.05, 18,883.61 and 4,686.65

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Solution

The fourth proportional to 12,583.05, 18,883.61 and 4,686.65 is: 7,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.05 : 18,883.61 = 4,686.65 : x
  2. Step 2: Convert to fraction form
    12,583.05/18,883.61 = 4,686.65/x
  3. Step 3: Cross multiply
    12,583.05x = 18,883.61 × 4,686.65
  4. Step 4: Simplify right side
    12,583.05x = 88,500,870.81
  5. Step 5: Solve for x
    x = 88,500,870.81/12,583.05
  6. Step 6: Final answer
    x = 7,033.34

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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.