Home / 14,474.15-21,737.96-8,666.45

Finding the Fourth Proportional to 14,474.15, 21,737.96 and 8,666.45

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Solution

The fourth proportional to 14,474.15, 21,737.96 and 8,666.45 is: 13,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.15 : 21,737.96 = 8,666.45 : x
  2. Step 2: Convert to fraction form
    14,474.15/21,737.96 = 8,666.45/x
  3. Step 3: Cross multiply
    14,474.15x = 21,737.96 × 8,666.45
  4. Step 4: Simplify right side
    14,474.15x = 188,390,943.44
  5. Step 5: Solve for x
    x = 188,390,943.44/14,474.15
  6. Step 6: Final answer
    x = 13,015.68

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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.