Home / 12,588.38-18,884.61-4,269.34

Finding the Fourth Proportional to 12,588.38, 18,884.61 and 4,269.34

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Solution

The fourth proportional to 12,588.38, 18,884.61 and 4,269.34 is: 6,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.38 : 18,884.61 = 4,269.34 : x
  2. Step 2: Convert to fraction form
    12,588.38/18,884.61 = 4,269.34/x
  3. Step 3: Cross multiply
    12,588.38x = 18,884.61 × 4,269.34
  4. Step 4: Simplify right side
    12,588.38x = 80,624,844.46
  5. Step 5: Solve for x
    x = 80,624,844.46/12,588.38
  6. Step 6: Final answer
    x = 6,404.70

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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.