Home / 14,871.21-22,306.13-3,778.11

Finding the Fourth Proportional to 14,871.21, 22,306.13 and 3,778.11

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Solution

The fourth proportional to 14,871.21, 22,306.13 and 3,778.11 is: 5,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.21 : 22,306.13 = 3,778.11 : x
  2. Step 2: Convert to fraction form
    14,871.21/22,306.13 = 3,778.11/x
  3. Step 3: Cross multiply
    14,871.21x = 22,306.13 × 3,778.11
  4. Step 4: Simplify right side
    14,871.21x = 84,275,029.34
  5. Step 5: Solve for x
    x = 84,275,029.34/14,871.21
  6. Step 6: Final answer
    x = 5,666.99

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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.