Home / 12,926.08-19,350.84-7,979.82

Finding the Fourth Proportional to 12,926.08, 19,350.84 and 7,979.82

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Solution

The fourth proportional to 12,926.08, 19,350.84 and 7,979.82 is: 11,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.08 : 19,350.84 = 7,979.82 : x
  2. Step 2: Convert to fraction form
    12,926.08/19,350.84 = 7,979.82/x
  3. Step 3: Cross multiply
    12,926.08x = 19,350.84 × 7,979.82
  4. Step 4: Simplify right side
    12,926.08x = 154,416,220.05
  5. Step 5: Solve for x
    x = 154,416,220.05/12,926.08
  6. Step 6: Final answer
    x = 11,946.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.