Home / 12,353.88-18,533.85-3,588.87

Finding the Fourth Proportional to 12,353.88, 18,533.85 and 3,588.87

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Solution

The fourth proportional to 12,353.88, 18,533.85 and 3,588.87 is: 5,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.88 : 18,533.85 = 3,588.87 : x
  2. Step 2: Convert to fraction form
    12,353.88/18,533.85 = 3,588.87/x
  3. Step 3: Cross multiply
    12,353.88x = 18,533.85 × 3,588.87
  4. Step 4: Simplify right side
    12,353.88x = 66,515,578.25
  5. Step 5: Solve for x
    x = 66,515,578.25/12,353.88
  6. Step 6: Final answer
    x = 5,384.19

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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.