Home / 12,776.63-19,168.87-6,541.02

Finding the Fourth Proportional to 12,776.63, 19,168.87 and 6,541.02

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Solution

The fourth proportional to 12,776.63, 19,168.87 and 6,541.02 is: 9,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.63 : 19,168.87 = 6,541.02 : x
  2. Step 2: Convert to fraction form
    12,776.63/19,168.87 = 6,541.02/x
  3. Step 3: Cross multiply
    12,776.63x = 19,168.87 × 6,541.02
  4. Step 4: Simplify right side
    12,776.63x = 125,383,941.19
  5. Step 5: Solve for x
    x = 125,383,941.19/12,776.63
  6. Step 6: Final answer
    x = 9,813.54

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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.