Home / 9,619.86-14,429.80-5,245.86

Finding the Fourth Proportional to 9,619.86, 14,429.80 and 5,245.86

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Solution

The fourth proportional to 9,619.86, 14,429.80 and 5,245.86 is: 7,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.86 : 14,429.80 = 5,245.86 : x
  2. Step 2: Convert to fraction form
    9,619.86/14,429.80 = 5,245.86/x
  3. Step 3: Cross multiply
    9,619.86x = 14,429.80 × 5,245.86
  4. Step 4: Simplify right side
    9,619.86x = 75,696,710.63
  5. Step 5: Solve for x
    x = 75,696,710.63/9,619.86
  6. Step 6: Final answer
    x = 7,868.80

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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.