Home / 11,295.61-16,943.96-5,457.13

Finding the Fourth Proportional to 11,295.61, 16,943.96 and 5,457.13

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Solution

The fourth proportional to 11,295.61, 16,943.96 and 5,457.13 is: 8,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.61 : 16,943.96 = 5,457.13 : x
  2. Step 2: Convert to fraction form
    11,295.61/16,943.96 = 5,457.13/x
  3. Step 3: Cross multiply
    11,295.61x = 16,943.96 × 5,457.13
  4. Step 4: Simplify right side
    11,295.61x = 92,465,392.43
  5. Step 5: Solve for x
    x = 92,465,392.43/11,295.61
  6. Step 6: Final answer
    x = 8,185.96

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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.