Home / 12,527.46-18,794.70-6,279.90

Finding the Fourth Proportional to 12,527.46, 18,794.70 and 6,279.90

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Solution

The fourth proportional to 12,527.46, 18,794.70 and 6,279.90 is: 9,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.46 : 18,794.70 = 6,279.90 : x
  2. Step 2: Convert to fraction form
    12,527.46/18,794.70 = 6,279.90/x
  3. Step 3: Cross multiply
    12,527.46x = 18,794.70 × 6,279.90
  4. Step 4: Simplify right side
    12,527.46x = 118,028,836.53
  5. Step 5: Solve for x
    x = 118,028,836.53/12,527.46
  6. Step 6: Final answer
    x = 9,421.61

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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.