Home / 10,917.20-16,362.09-4,669.86

Finding the Fourth Proportional to 10,917.20, 16,362.09 and 4,669.86

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Solution

The fourth proportional to 10,917.20, 16,362.09 and 4,669.86 is: 6,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.20 : 16,362.09 = 4,669.86 : x
  2. Step 2: Convert to fraction form
    10,917.20/16,362.09 = 4,669.86/x
  3. Step 3: Cross multiply
    10,917.20x = 16,362.09 × 4,669.86
  4. Step 4: Simplify right side
    10,917.20x = 76,408,669.61
  5. Step 5: Solve for x
    x = 76,408,669.61/10,917.20
  6. Step 6: Final answer
    x = 6,998.93

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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.