Home / 12,260.63-18,388.20-5,685.96

Finding the Fourth Proportional to 12,260.63, 18,388.20 and 5,685.96

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Solution

The fourth proportional to 12,260.63, 18,388.20 and 5,685.96 is: 8,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.63 : 18,388.20 = 5,685.96 : x
  2. Step 2: Convert to fraction form
    12,260.63/18,388.20 = 5,685.96/x
  3. Step 3: Cross multiply
    12,260.63x = 18,388.20 × 5,685.96
  4. Step 4: Simplify right side
    12,260.63x = 104,554,545.02
  5. Step 5: Solve for x
    x = 104,554,545.02/12,260.63
  6. Step 6: Final answer
    x = 8,527.67

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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.