Home / 12,366.85-18,558.32-5,353.71

Finding the Fourth Proportional to 12,366.85, 18,558.32 and 5,353.71

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Solution

The fourth proportional to 12,366.85, 18,558.32 and 5,353.71 is: 8,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.85 : 18,558.32 = 5,353.71 : x
  2. Step 2: Convert to fraction form
    12,366.85/18,558.32 = 5,353.71/x
  3. Step 3: Cross multiply
    12,366.85x = 18,558.32 × 5,353.71
  4. Step 4: Simplify right side
    12,366.85x = 99,355,836.60
  5. Step 5: Solve for x
    x = 99,355,836.60/12,366.85
  6. Step 6: Final answer
    x = 8,034.05

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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.