Home / 14,911.08-20,578.38-8,942.62

Finding the Fourth Proportional to 14,911.08, 20,578.38 and 8,942.62

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Solution

The fourth proportional to 14,911.08, 20,578.38 and 8,942.62 is: 12,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.08 : 20,578.38 = 8,942.62 : x
  2. Step 2: Convert to fraction form
    14,911.08/20,578.38 = 8,942.62/x
  3. Step 3: Cross multiply
    14,911.08x = 20,578.38 × 8,942.62
  4. Step 4: Simplify right side
    14,911.08x = 184,024,632.56
  5. Step 5: Solve for x
    x = 184,024,632.56/14,911.08
  6. Step 6: Final answer
    x = 12,341.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.