Home / 14,928.12-22,391.94-6,720.12

Finding the Fourth Proportional to 14,928.12, 22,391.94 and 6,720.12

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Solution

The fourth proportional to 14,928.12, 22,391.94 and 6,720.12 is: 10,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.12 : 22,391.94 = 6,720.12 : x
  2. Step 2: Convert to fraction form
    14,928.12/22,391.94 = 6,720.12/x
  3. Step 3: Cross multiply
    14,928.12x = 22,391.94 × 6,720.12
  4. Step 4: Simplify right side
    14,928.12x = 150,476,523.83
  5. Step 5: Solve for x
    x = 150,476,523.83/14,928.12
  6. Step 6: Final answer
    x = 10,080.07

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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.