Home / 12,475.94-18,735.03-8,342.51

Finding the Fourth Proportional to 12,475.94, 18,735.03 and 8,342.51

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Solution

The fourth proportional to 12,475.94, 18,735.03 and 8,342.51 is: 12,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.94 : 18,735.03 = 8,342.51 : x
  2. Step 2: Convert to fraction form
    12,475.94/18,735.03 = 8,342.51/x
  3. Step 3: Cross multiply
    12,475.94x = 18,735.03 × 8,342.51
  4. Step 4: Simplify right side
    12,475.94x = 156,297,081.45
  5. Step 5: Solve for x
    x = 156,297,081.45/12,475.94
  6. Step 6: Final answer
    x = 12,527.89

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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.