Home / 10,977.10-15,148.29-5,941.21

Finding the Fourth Proportional to 10,977.10, 15,148.29 and 5,941.21

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Solution

The fourth proportional to 10,977.10, 15,148.29 and 5,941.21 is: 8,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.10 : 15,148.29 = 5,941.21 : x
  2. Step 2: Convert to fraction form
    10,977.10/15,148.29 = 5,941.21/x
  3. Step 3: Cross multiply
    10,977.10x = 15,148.29 × 5,941.21
  4. Step 4: Simplify right side
    10,977.10x = 89,999,134.16
  5. Step 5: Solve for x
    x = 89,999,134.16/10,977.10
  6. Step 6: Final answer
    x = 8,198.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.