Home / 12,926.70-17,837.58-7,260.15

Finding the Fourth Proportional to 12,926.70, 17,837.58 and 7,260.15

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Solution

The fourth proportional to 12,926.70, 17,837.58 and 7,260.15 is: 10,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.70 : 17,837.58 = 7,260.15 : x
  2. Step 2: Convert to fraction form
    12,926.70/17,837.58 = 7,260.15/x
  3. Step 3: Cross multiply
    12,926.70x = 17,837.58 × 7,260.15
  4. Step 4: Simplify right side
    12,926.70x = 129,503,506.44
  5. Step 5: Solve for x
    x = 129,503,506.44/12,926.70
  6. Step 6: Final answer
    x = 10,018.30

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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.