Home / 10,928.93-16,393.41-2,720.93

Finding the Fourth Proportional to 10,928.93, 16,393.41 and 2,720.93

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Solution

The fourth proportional to 10,928.93, 16,393.41 and 2,720.93 is: 4,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.93 : 16,393.41 = 2,720.93 : x
  2. Step 2: Convert to fraction form
    10,928.93/16,393.41 = 2,720.93/x
  3. Step 3: Cross multiply
    10,928.93x = 16,393.41 × 2,720.93
  4. Step 4: Simplify right side
    10,928.93x = 44,605,321.07
  5. Step 5: Solve for x
    x = 44,605,321.07/10,928.93
  6. Step 6: Final answer
    x = 4,081.40

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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.