Home / 12,140.62-16,754.91-6,763.49

Finding the Fourth Proportional to 12,140.62, 16,754.91 and 6,763.49

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Solution

The fourth proportional to 12,140.62, 16,754.91 and 6,763.49 is: 9,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.62 : 16,754.91 = 6,763.49 : x
  2. Step 2: Convert to fraction form
    12,140.62/16,754.91 = 6,763.49/x
  3. Step 3: Cross multiply
    12,140.62x = 16,754.91 × 6,763.49
  4. Step 4: Simplify right side
    12,140.62x = 113,321,666.24
  5. Step 5: Solve for x
    x = 113,321,666.24/12,140.62
  6. Step 6: Final answer
    x = 9,334.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.