Home / 12,566.88-18,845.64-4,667.76

Finding the Fourth Proportional to 12,566.88, 18,845.64 and 4,667.76

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Solution

The fourth proportional to 12,566.88, 18,845.64 and 4,667.76 is: 6,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.88 : 18,845.64 = 4,667.76 : x
  2. Step 2: Convert to fraction form
    12,566.88/18,845.64 = 4,667.76/x
  3. Step 3: Cross multiply
    12,566.88x = 18,845.64 × 4,667.76
  4. Step 4: Simplify right side
    12,566.88x = 87,966,924.57
  5. Step 5: Solve for x
    x = 87,966,924.57/12,566.88
  6. Step 6: Final answer
    x = 6,999.90

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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.