Home / 18,546.04-25,579.98-13,511.80

Finding the Fourth Proportional to 18,546.04, 25,579.98 and 13,511.80

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Solution

The fourth proportional to 18,546.04, 25,579.98 and 13,511.80 is: 18,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.04 : 25,579.98 = 13,511.80 : x
  2. Step 2: Convert to fraction form
    18,546.04/25,579.98 = 13,511.80/x
  3. Step 3: Cross multiply
    18,546.04x = 25,579.98 × 13,511.80
  4. Step 4: Simplify right side
    18,546.04x = 345,631,573.76
  5. Step 5: Solve for x
    x = 345,631,573.76/18,546.04
  6. Step 6: Final answer
    x = 18,636.41

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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.