Home / 11,280.41-16,921.17-2,960.45

Finding the Fourth Proportional to 11,280.41, 16,921.17 and 2,960.45

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Solution

The fourth proportional to 11,280.41, 16,921.17 and 2,960.45 is: 4,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.41 : 16,921.17 = 2,960.45 : x
  2. Step 2: Convert to fraction form
    11,280.41/16,921.17 = 2,960.45/x
  3. Step 3: Cross multiply
    11,280.41x = 16,921.17 × 2,960.45
  4. Step 4: Simplify right side
    11,280.41x = 50,094,256.58
  5. Step 5: Solve for x
    x = 50,094,256.58/11,280.41
  6. Step 6: Final answer
    x = 4,440.82

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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.