Home / 10,832.86-16,239.57-3,905.74

Finding the Fourth Proportional to 10,832.86, 16,239.57 and 3,905.74

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Solution

The fourth proportional to 10,832.86, 16,239.57 and 3,905.74 is: 5,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,832.86 : 16,239.57 = 3,905.74 : x
  2. Step 2: Convert to fraction form
    10,832.86/16,239.57 = 3,905.74/x
  3. Step 3: Cross multiply
    10,832.86x = 16,239.57 × 3,905.74
  4. Step 4: Simplify right side
    10,832.86x = 63,427,538.13
  5. Step 5: Solve for x
    x = 63,427,538.13/10,832.86
  6. Step 6: Final answer
    x = 5,855.11

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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.