Home / 18,705.90-28,097.73-14,837.34

Finding the Fourth Proportional to 18,705.90, 28,097.73 and 14,837.34

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Solution

The fourth proportional to 18,705.90, 28,097.73 and 14,837.34 is: 22,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.90 : 28,097.73 = 14,837.34 : x
  2. Step 2: Convert to fraction form
    18,705.90/28,097.73 = 14,837.34/x
  3. Step 3: Cross multiply
    18,705.90x = 28,097.73 × 14,837.34
  4. Step 4: Simplify right side
    18,705.90x = 416,895,573.24
  5. Step 5: Solve for x
    x = 416,895,573.24/18,705.90
  6. Step 6: Final answer
    x = 22,286.85

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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.