Home / 12,774.99-19,153.62-5,373.44

Finding the Fourth Proportional to 12,774.99, 19,153.62 and 5,373.44

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Solution

The fourth proportional to 12,774.99, 19,153.62 and 5,373.44 is: 8,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.99 : 19,153.62 = 5,373.44 : x
  2. Step 2: Convert to fraction form
    12,774.99/19,153.62 = 5,373.44/x
  3. Step 3: Cross multiply
    12,774.99x = 19,153.62 × 5,373.44
  4. Step 4: Simplify right side
    12,774.99x = 102,920,732.08
  5. Step 5: Solve for x
    x = 102,920,732.08/12,774.99
  6. Step 6: Final answer
    x = 8,056.42

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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.