Home / 16,666.40-24,989.16-6,278.96

Finding the Fourth Proportional to 16,666.40, 24,989.16 and 6,278.96

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Solution

The fourth proportional to 16,666.40, 24,989.16 and 6,278.96 is: 9,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.40 : 24,989.16 = 6,278.96 : x
  2. Step 2: Convert to fraction form
    16,666.40/24,989.16 = 6,278.96/x
  3. Step 3: Cross multiply
    16,666.40x = 24,989.16 × 6,278.96
  4. Step 4: Simplify right side
    16,666.40x = 156,905,936.07
  5. Step 5: Solve for x
    x = 156,905,936.07/16,666.40
  6. Step 6: Final answer
    x = 9,414.51

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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.