Home / 12,068.10-18,104.67-4,282.02

Finding the Fourth Proportional to 12,068.10, 18,104.67 and 4,282.02

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Solution

The fourth proportional to 12,068.10, 18,104.67 and 4,282.02 is: 6,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.10 : 18,104.67 = 4,282.02 : x
  2. Step 2: Convert to fraction form
    12,068.10/18,104.67 = 4,282.02/x
  3. Step 3: Cross multiply
    12,068.10x = 18,104.67 × 4,282.02
  4. Step 4: Simplify right side
    12,068.10x = 77,524,559.03
  5. Step 5: Solve for x
    x = 77,524,559.03/12,068.10
  6. Step 6: Final answer
    x = 6,423.92

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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.