Home / 14,618.71-21,930.36-4,755.68

Finding the Fourth Proportional to 14,618.71, 21,930.36 and 4,755.68

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Solution

The fourth proportional to 14,618.71, 21,930.36 and 4,755.68 is: 7,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.71 : 21,930.36 = 4,755.68 : x
  2. Step 2: Convert to fraction form
    14,618.71/21,930.36 = 4,755.68/x
  3. Step 3: Cross multiply
    14,618.71x = 21,930.36 × 4,755.68
  4. Step 4: Simplify right side
    14,618.71x = 104,293,774.44
  5. Step 5: Solve for x
    x = 104,293,774.44/14,618.71
  6. Step 6: Final answer
    x = 7,134.27

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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.