Home / 9,890.13-14,822.37-7,405.41

Finding the Fourth Proportional to 9,890.13, 14,822.37 and 7,405.41

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Solution

The fourth proportional to 9,890.13, 14,822.37 and 7,405.41 is: 11,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.13 : 14,822.37 = 7,405.41 : x
  2. Step 2: Convert to fraction form
    9,890.13/14,822.37 = 7,405.41/x
  3. Step 3: Cross multiply
    9,890.13x = 14,822.37 × 7,405.41
  4. Step 4: Simplify right side
    9,890.13x = 109,765,727.02
  5. Step 5: Solve for x
    x = 109,765,727.02/9,890.13
  6. Step 6: Final answer
    x = 11,098.51

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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.