Home / 12,614.46-18,904.68-6,378.87

Finding the Fourth Proportional to 12,614.46, 18,904.68 and 6,378.87

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Solution

The fourth proportional to 12,614.46, 18,904.68 and 6,378.87 is: 9,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.46 : 18,904.68 = 6,378.87 : x
  2. Step 2: Convert to fraction form
    12,614.46/18,904.68 = 6,378.87/x
  3. Step 3: Cross multiply
    12,614.46x = 18,904.68 × 6,378.87
  4. Step 4: Simplify right side
    12,614.46x = 120,590,496.11
  5. Step 5: Solve for x
    x = 120,590,496.11/12,614.46
  6. Step 6: Final answer
    x = 9,559.70

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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.