Home / 13,496.60-18,633.98-8,467.72

Finding the Fourth Proportional to 13,496.60, 18,633.98 and 8,467.72

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Solution

The fourth proportional to 13,496.60, 18,633.98 and 8,467.72 is: 11,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.60 : 18,633.98 = 8,467.72 : x
  2. Step 2: Convert to fraction form
    13,496.60/18,633.98 = 8,467.72/x
  3. Step 3: Cross multiply
    13,496.60x = 18,633.98 × 8,467.72
  4. Step 4: Simplify right side
    13,496.60x = 157,787,325.13
  5. Step 5: Solve for x
    x = 157,787,325.13/13,496.60
  6. Step 6: Final answer
    x = 11,690.89

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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.