Home / 20,451.07-30,676.59-6,600.07

Finding the Fourth Proportional to 20,451.07, 30,676.59 and 6,600.07

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Solution

The fourth proportional to 20,451.07, 30,676.59 and 6,600.07 is: 9,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.07 : 30,676.59 = 6,600.07 : x
  2. Step 2: Convert to fraction form
    20,451.07/30,676.59 = 6,600.07/x
  3. Step 3: Cross multiply
    20,451.07x = 30,676.59 × 6,600.07
  4. Step 4: Simplify right side
    20,451.07x = 202,467,641.36
  5. Step 5: Solve for x
    x = 202,467,641.36/20,451.07
  6. Step 6: Final answer
    x = 9,900.10

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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.