Home / 9,636.08-14,447.74-5,478.05

Finding the Fourth Proportional to 9,636.08, 14,447.74 and 5,478.05

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Solution

The fourth proportional to 9,636.08, 14,447.74 and 5,478.05 is: 8,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.08 : 14,447.74 = 5,478.05 : x
  2. Step 2: Convert to fraction form
    9,636.08/14,447.74 = 5,478.05/x
  3. Step 3: Cross multiply
    9,636.08x = 14,447.74 × 5,478.05
  4. Step 4: Simplify right side
    9,636.08x = 79,145,369.87
  5. Step 5: Solve for x
    x = 79,145,369.87/9,636.08
  6. Step 6: Final answer
    x = 8,213.44

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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.