Home / 10,760.60-16,140.90-4,928.60

Finding the Fourth Proportional to 10,760.60, 16,140.90 and 4,928.60

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Solution

The fourth proportional to 10,760.60, 16,140.90 and 4,928.60 is: 7,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,760.60 : 16,140.90 = 4,928.60 : x
  2. Step 2: Convert to fraction form
    10,760.60/16,140.90 = 4,928.60/x
  3. Step 3: Cross multiply
    10,760.60x = 16,140.90 × 4,928.60
  4. Step 4: Simplify right side
    10,760.60x = 79,552,039.74
  5. Step 5: Solve for x
    x = 79,552,039.74/10,760.60
  6. Step 6: Final answer
    x = 7,392.90

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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.