Home / 12,567.18-18,851.26-4,671.78

Finding the Fourth Proportional to 12,567.18, 18,851.26 and 4,671.78

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Solution

The fourth proportional to 12,567.18, 18,851.26 and 4,671.78 is: 7,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.18 : 18,851.26 = 4,671.78 : x
  2. Step 2: Convert to fraction form
    12,567.18/18,851.26 = 4,671.78/x
  3. Step 3: Cross multiply
    12,567.18x = 18,851.26 × 4,671.78
  4. Step 4: Simplify right side
    12,567.18x = 88,068,939.44
  5. Step 5: Solve for x
    x = 88,068,939.44/12,567.18
  6. Step 6: Final answer
    x = 7,007.85

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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.