Home / 14,613.20-21,919.32-5,845.76

Finding the Fourth Proportional to 14,613.20, 21,919.32 and 5,845.76

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Solution

The fourth proportional to 14,613.20, 21,919.32 and 5,845.76 is: 8,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.20 : 21,919.32 = 5,845.76 : x
  2. Step 2: Convert to fraction form
    14,613.20/21,919.32 = 5,845.76/x
  3. Step 3: Cross multiply
    14,613.20x = 21,919.32 × 5,845.76
  4. Step 4: Simplify right side
    14,613.20x = 128,135,084.08
  5. Step 5: Solve for x
    x = 128,135,084.08/14,613.20
  6. Step 6: Final answer
    x = 8,768.45

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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.