Home / 10,455.14-15,681.09-3,057.86

Finding the Fourth Proportional to 10,455.14, 15,681.09 and 3,057.86

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Solution

The fourth proportional to 10,455.14, 15,681.09 and 3,057.86 is: 4,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.14 : 15,681.09 = 3,057.86 : x
  2. Step 2: Convert to fraction form
    10,455.14/15,681.09 = 3,057.86/x
  3. Step 3: Cross multiply
    10,455.14x = 15,681.09 × 3,057.86
  4. Step 4: Simplify right side
    10,455.14x = 47,950,577.87
  5. Step 5: Solve for x
    x = 47,950,577.87/10,455.14
  6. Step 6: Final answer
    x = 4,586.32

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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.