Home / 14,015.82-21,015.98-5,573.78

Finding the Fourth Proportional to 14,015.82, 21,015.98 and 5,573.78

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Solution

The fourth proportional to 14,015.82, 21,015.98 and 5,573.78 is: 8,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.82 : 21,015.98 = 5,573.78 : x
  2. Step 2: Convert to fraction form
    14,015.82/21,015.98 = 5,573.78/x
  3. Step 3: Cross multiply
    14,015.82x = 21,015.98 × 5,573.78
  4. Step 4: Simplify right side
    14,015.82x = 117,138,316.06
  5. Step 5: Solve for x
    x = 117,138,316.06/14,015.82
  6. Step 6: Final answer
    x = 8,357.58

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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.