Home / 10,832.40-16,237.80-4,978.80

Finding the Fourth Proportional to 10,832.40, 16,237.80 and 4,978.80

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Solution

The fourth proportional to 10,832.40, 16,237.80 and 4,978.80 is: 7,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,832.40 : 16,237.80 = 4,978.80 : x
  2. Step 2: Convert to fraction form
    10,832.40/16,237.80 = 4,978.80/x
  3. Step 3: Cross multiply
    10,832.40x = 16,237.80 × 4,978.80
  4. Step 4: Simplify right side
    10,832.40x = 80,844,758.64
  5. Step 5: Solve for x
    x = 80,844,758.64/10,832.40
  6. Step 6: Final answer
    x = 7,463.24

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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.