Home / 14,260.18-21,389.90-3,871.66

Finding the Fourth Proportional to 14,260.18, 21,389.90 and 3,871.66

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Solution

The fourth proportional to 14,260.18, 21,389.90 and 3,871.66 is: 5,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.18 : 21,389.90 = 3,871.66 : x
  2. Step 2: Convert to fraction form
    14,260.18/21,389.90 = 3,871.66/x
  3. Step 3: Cross multiply
    14,260.18x = 21,389.90 × 3,871.66
  4. Step 4: Simplify right side
    14,260.18x = 82,814,420.23
  5. Step 5: Solve for x
    x = 82,814,420.23/14,260.18
  6. Step 6: Final answer
    x = 5,807.39

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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.