Home / 21,998.73-30,357.93-11,926.98

Finding the Fourth Proportional to 21,998.73, 30,357.93 and 11,926.98

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Solution

The fourth proportional to 21,998.73, 30,357.93 and 11,926.98 is: 16,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.73 : 30,357.93 = 11,926.98 : x
  2. Step 2: Convert to fraction form
    21,998.73/30,357.93 = 11,926.98/x
  3. Step 3: Cross multiply
    21,998.73x = 30,357.93 × 11,926.98
  4. Step 4: Simplify right side
    21,998.73x = 362,078,423.95
  5. Step 5: Solve for x
    x = 362,078,423.95/21,998.73
  6. Step 6: Final answer
    x = 16,459.06

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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.