Home / 12,526.60-17,286.96-6,861.35

Finding the Fourth Proportional to 12,526.60, 17,286.96 and 6,861.35

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Solution

The fourth proportional to 12,526.60, 17,286.96 and 6,861.35 is: 9,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.60 : 17,286.96 = 6,861.35 : x
  2. Step 2: Convert to fraction form
    12,526.60/17,286.96 = 6,861.35/x
  3. Step 3: Cross multiply
    12,526.60x = 17,286.96 × 6,861.35
  4. Step 4: Simplify right side
    12,526.60x = 118,611,869.55
  5. Step 5: Solve for x
    x = 118,611,869.55/12,526.60
  6. Step 6: Final answer
    x = 9,468.80

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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.