Home / 13,635.30-18,811.12-8,597.91

Finding the Fourth Proportional to 13,635.30, 18,811.12 and 8,597.91

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Solution

The fourth proportional to 13,635.30, 18,811.12 and 8,597.91 is: 11,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.30 : 18,811.12 = 8,597.91 : x
  2. Step 2: Convert to fraction form
    13,635.30/18,811.12 = 8,597.91/x
  3. Step 3: Cross multiply
    13,635.30x = 18,811.12 × 8,597.91
  4. Step 4: Simplify right side
    13,635.30x = 161,736,316.76
  5. Step 5: Solve for x
    x = 161,736,316.76/13,635.30
  6. Step 6: Final answer
    x = 11,861.59

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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.