Home / 12,562.13-18,843.08-4,770.94

Finding the Fourth Proportional to 12,562.13, 18,843.08 and 4,770.94

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Solution

The fourth proportional to 12,562.13, 18,843.08 and 4,770.94 is: 7,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.13 : 18,843.08 = 4,770.94 : x
  2. Step 2: Convert to fraction form
    12,562.13/18,843.08 = 4,770.94/x
  3. Step 3: Cross multiply
    12,562.13x = 18,843.08 × 4,770.94
  4. Step 4: Simplify right side
    12,562.13x = 89,899,109.88
  5. Step 5: Solve for x
    x = 89,899,109.88/12,562.13
  6. Step 6: Final answer
    x = 7,156.36

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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.