Home / 18,669.98-28,007.70-6,824.34

Finding the Fourth Proportional to 18,669.98, 28,007.70 and 6,824.34

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Solution

The fourth proportional to 18,669.98, 28,007.70 and 6,824.34 is: 10,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.98 : 28,007.70 = 6,824.34 : x
  2. Step 2: Convert to fraction form
    18,669.98/28,007.70 = 6,824.34/x
  3. Step 3: Cross multiply
    18,669.98x = 28,007.70 × 6,824.34
  4. Step 4: Simplify right side
    18,669.98x = 191,134,067.42
  5. Step 5: Solve for x
    x = 191,134,067.42/18,669.98
  6. Step 6: Final answer
    x = 10,237.51

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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.