Home / 12,650.53-18,979.84-6,077.18

Finding the Fourth Proportional to 12,650.53, 18,979.84 and 6,077.18

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Solution

The fourth proportional to 12,650.53, 18,979.84 and 6,077.18 is: 9,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.53 : 18,979.84 = 6,077.18 : x
  2. Step 2: Convert to fraction form
    12,650.53/18,979.84 = 6,077.18/x
  3. Step 3: Cross multiply
    12,650.53x = 18,979.84 × 6,077.18
  4. Step 4: Simplify right side
    12,650.53x = 115,343,809.15
  5. Step 5: Solve for x
    x = 115,343,809.15/12,650.53
  6. Step 6: Final answer
    x = 9,117.71

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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.