Home / 12,526.93-17,286.50-6,861.39

Finding the Fourth Proportional to 12,526.93, 17,286.50 and 6,861.39

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Solution

The fourth proportional to 12,526.93, 17,286.50 and 6,861.39 is: 9,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.93 : 17,286.50 = 6,861.39 : x
  2. Step 2: Convert to fraction form
    12,526.93/17,286.50 = 6,861.39/x
  3. Step 3: Cross multiply
    12,526.93x = 17,286.50 × 6,861.39
  4. Step 4: Simplify right side
    12,526.93x = 118,609,331.97
  5. Step 5: Solve for x
    x = 118,609,331.97/12,526.93
  6. Step 6: Final answer
    x = 9,468.35

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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.