Home / 16,278.84-24,380.28-11,885.40

Finding the Fourth Proportional to 16,278.84, 24,380.28 and 11,885.40

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Solution

The fourth proportional to 16,278.84, 24,380.28 and 11,885.40 is: 17,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.84 : 24,380.28 = 11,885.40 : x
  2. Step 2: Convert to fraction form
    16,278.84/24,380.28 = 11,885.40/x
  3. Step 3: Cross multiply
    16,278.84x = 24,380.28 × 11,885.40
  4. Step 4: Simplify right side
    16,278.84x = 289,769,379.91
  5. Step 5: Solve for x
    x = 289,769,379.91/16,278.84
  6. Step 6: Final answer
    x = 17,800.37

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1.5x scale

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.