Home / 12,480.33-18,723.23-4,689.14

Finding the Fourth Proportional to 12,480.33, 18,723.23 and 4,689.14

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Solution

The fourth proportional to 12,480.33, 18,723.23 and 4,689.14 is: 7,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.33 : 18,723.23 = 4,689.14 : x
  2. Step 2: Convert to fraction form
    12,480.33/18,723.23 = 4,689.14/x
  3. Step 3: Cross multiply
    12,480.33x = 18,723.23 × 4,689.14
  4. Step 4: Simplify right side
    12,480.33x = 87,795,839.37
  5. Step 5: Solve for x
    x = 87,795,839.37/12,480.33
  6. Step 6: Final answer
    x = 7,034.74

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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.