Home / 14,618.43-21,930.93-4,623.78

Finding the Fourth Proportional to 14,618.43, 21,930.93 and 4,623.78

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Solution

The fourth proportional to 14,618.43, 21,930.93 and 4,623.78 is: 6,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.43 : 21,930.93 = 4,623.78 : x
  2. Step 2: Convert to fraction form
    14,618.43/21,930.93 = 4,623.78/x
  3. Step 3: Cross multiply
    14,618.43x = 21,930.93 × 4,623.78
  4. Step 4: Simplify right side
    14,618.43x = 101,403,685.86
  5. Step 5: Solve for x
    x = 101,403,685.86/14,618.43
  6. Step 6: Final answer
    x = 6,936.70

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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.