Home / 14,648.81-21,974.51-4,118.92

Finding the Fourth Proportional to 14,648.81, 21,974.51 and 4,118.92

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Solution

The fourth proportional to 14,648.81, 21,974.51 and 4,118.92 is: 6,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.81 : 21,974.51 = 4,118.92 : x
  2. Step 2: Convert to fraction form
    14,648.81/21,974.51 = 4,118.92/x
  3. Step 3: Cross multiply
    14,648.81x = 21,974.51 × 4,118.92
  4. Step 4: Simplify right side
    14,648.81x = 90,511,254.31
  5. Step 5: Solve for x
    x = 90,511,254.31/14,648.81
  6. Step 6: Final answer
    x = 6,178.75

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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.