Home / 16,878.84-25,265.11-11,582.89

Finding the Fourth Proportional to 16,878.84, 25,265.11 and 11,582.89

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Solution

The fourth proportional to 16,878.84, 25,265.11 and 11,582.89 is: 17,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.84 : 25,265.11 = 11,582.89 : x
  2. Step 2: Convert to fraction form
    16,878.84/25,265.11 = 11,582.89/x
  3. Step 3: Cross multiply
    16,878.84x = 25,265.11 × 11,582.89
  4. Step 4: Simplify right side
    16,878.84x = 292,642,805.73
  5. Step 5: Solve for x
    x = 292,642,805.73/16,878.84
  6. Step 6: Final answer
    x = 17,337.85

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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.