Home / 10,928.50-16,392.76-2,720.50

Finding the Fourth Proportional to 10,928.50, 16,392.76 and 2,720.50

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Solution

The fourth proportional to 10,928.50, 16,392.76 and 2,720.50 is: 4,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.50 : 16,392.76 = 2,720.50 : x
  2. Step 2: Convert to fraction form
    10,928.50/16,392.76 = 2,720.50/x
  3. Step 3: Cross multiply
    10,928.50x = 16,392.76 × 2,720.50
  4. Step 4: Simplify right side
    10,928.50x = 44,596,503.58
  5. Step 5: Solve for x
    x = 44,596,503.58/10,928.50
  6. Step 6: Final answer
    x = 4,080.75

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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.