Home / 12,951.88-19,417.28-4,062.64

Finding the Fourth Proportional to 12,951.88, 19,417.28 and 4,062.64

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Solution

The fourth proportional to 12,951.88, 19,417.28 and 4,062.64 is: 6,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.88 : 19,417.28 = 4,062.64 : x
  2. Step 2: Convert to fraction form
    12,951.88/19,417.28 = 4,062.64/x
  3. Step 3: Cross multiply
    12,951.88x = 19,417.28 × 4,062.64
  4. Step 4: Simplify right side
    12,951.88x = 78,885,418.42
  5. Step 5: Solve for x
    x = 78,885,418.42/12,951.88
  6. Step 6: Final answer
    x = 6,090.65

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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.