Home / 9,405.84-14,110.49-7,666.28

Finding the Fourth Proportional to 9,405.84, 14,110.49 and 7,666.28

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Solution

The fourth proportional to 9,405.84, 14,110.49 and 7,666.28 is: 11,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.84 : 14,110.49 = 7,666.28 : x
  2. Step 2: Convert to fraction form
    9,405.84/14,110.49 = 7,666.28/x
  3. Step 3: Cross multiply
    9,405.84x = 14,110.49 × 7,666.28
  4. Step 4: Simplify right side
    9,405.84x = 108,174,968.80
  5. Step 5: Solve for x
    x = 108,174,968.80/9,405.84
  6. Step 6: Final answer
    x = 11,500.83

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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.