Home / 8,956.68-13,416.54-5,247.65

Finding the Fourth Proportional to 8,956.68, 13,416.54 and 5,247.65

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Solution

The fourth proportional to 8,956.68, 13,416.54 and 5,247.65 is: 7,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.68 : 13,416.54 = 5,247.65 : x
  2. Step 2: Convert to fraction form
    8,956.68/13,416.54 = 5,247.65/x
  3. Step 3: Cross multiply
    8,956.68x = 13,416.54 × 5,247.65
  4. Step 4: Simplify right side
    8,956.68x = 70,405,239.05
  5. Step 5: Solve for x
    x = 70,405,239.05/8,956.68
  6. Step 6: Final answer
    x = 7,860.64

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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.