Home / 12,140.62-16,754.92-6,763.50

Finding the Fourth Proportional to 12,140.62, 16,754.92 and 6,763.50

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Solution

The fourth proportional to 12,140.62, 16,754.92 and 6,763.50 is: 9,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.62 : 16,754.92 = 6,763.50 : x
  2. Step 2: Convert to fraction form
    12,140.62/16,754.92 = 6,763.50/x
  3. Step 3: Cross multiply
    12,140.62x = 16,754.92 × 6,763.50
  4. Step 4: Simplify right side
    12,140.62x = 113,321,884.51
  5. Step 5: Solve for x
    x = 113,321,884.51/12,140.62
  6. Step 6: Final answer
    x = 9,334.11

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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.