Home / 13,464.08-18,581.30-8,984.98

Finding the Fourth Proportional to 13,464.08, 18,581.30 and 8,984.98

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Solution

The fourth proportional to 13,464.08, 18,581.30 and 8,984.98 is: 12,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.08 : 18,581.30 = 8,984.98 : x
  2. Step 2: Convert to fraction form
    13,464.08/18,581.30 = 8,984.98/x
  3. Step 3: Cross multiply
    13,464.08x = 18,581.30 × 8,984.98
  4. Step 4: Simplify right side
    13,464.08x = 166,952,608.87
  5. Step 5: Solve for x
    x = 166,952,608.87/13,464.08
  6. Step 6: Final answer
    x = 12,399.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.