Home / 12,675.12-19,014.92-4,356.02

Finding the Fourth Proportional to 12,675.12, 19,014.92 and 4,356.02

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Solution

The fourth proportional to 12,675.12, 19,014.92 and 4,356.02 is: 6,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.12 : 19,014.92 = 4,356.02 : x
  2. Step 2: Convert to fraction form
    12,675.12/19,014.92 = 4,356.02/x
  3. Step 3: Cross multiply
    12,675.12x = 19,014.92 × 4,356.02
  4. Step 4: Simplify right side
    12,675.12x = 82,829,371.82
  5. Step 5: Solve for x
    x = 82,829,371.82/12,675.12
  6. Step 6: Final answer
    x = 6,534.80

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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.