Home / 12,926.76-17,837.88-7,261.20

Finding the Fourth Proportional to 12,926.76, 17,837.88 and 7,261.20

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Solution

The fourth proportional to 12,926.76, 17,837.88 and 7,261.20 is: 10,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.76 : 17,837.88 = 7,261.20 : x
  2. Step 2: Convert to fraction form
    12,926.76/17,837.88 = 7,261.20/x
  3. Step 3: Cross multiply
    12,926.76x = 17,837.88 × 7,261.20
  4. Step 4: Simplify right side
    12,926.76x = 129,524,414.26
  5. Step 5: Solve for x
    x = 129,524,414.26/12,926.76
  6. Step 6: Final answer
    x = 10,019.87

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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.