Home / 10,930.14-16,395.21-4,686.12

Finding the Fourth Proportional to 10,930.14, 16,395.21 and 4,686.12

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Solution

The fourth proportional to 10,930.14, 16,395.21 and 4,686.12 is: 7,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.14 : 16,395.21 = 4,686.12 : x
  2. Step 2: Convert to fraction form
    10,930.14/16,395.21 = 4,686.12/x
  3. Step 3: Cross multiply
    10,930.14x = 16,395.21 × 4,686.12
  4. Step 4: Simplify right side
    10,930.14x = 76,829,921.49
  5. Step 5: Solve for x
    x = 76,829,921.49/10,930.14
  6. Step 6: Final answer
    x = 7,029.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.