Home / 15,768.18-23,619.94-12,631.19

Finding the Fourth Proportional to 15,768.18, 23,619.94 and 12,631.19

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Solution

The fourth proportional to 15,768.18, 23,619.94 and 12,631.19 is: 18,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.18 : 23,619.94 = 12,631.19 : x
  2. Step 2: Convert to fraction form
    15,768.18/23,619.94 = 12,631.19/x
  3. Step 3: Cross multiply
    15,768.18x = 23,619.94 × 12,631.19
  4. Step 4: Simplify right side
    15,768.18x = 298,347,800.25
  5. Step 5: Solve for x
    x = 298,347,800.25/15,768.18
  6. Step 6: Final answer
    x = 18,920.88

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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.