Home / 12,526.11-17,286.23-6,860.76

Finding the Fourth Proportional to 12,526.11, 17,286.23 and 6,860.76

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Solution

The fourth proportional to 12,526.11, 17,286.23 and 6,860.76 is: 9,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.11 : 17,286.23 = 6,860.76 : x
  2. Step 2: Convert to fraction form
    12,526.11/17,286.23 = 6,860.76/x
  3. Step 3: Cross multiply
    12,526.11x = 17,286.23 × 6,860.76
  4. Step 4: Simplify right side
    12,526.11x = 118,596,675.33
  5. Step 5: Solve for x
    x = 118,596,675.33/12,526.11
  6. Step 6: Final answer
    x = 9,467.96

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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.