Home / 21,273.93-29,357.77-11,713.61

Finding the Fourth Proportional to 21,273.93, 29,357.77 and 11,713.61

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Solution

The fourth proportional to 21,273.93, 29,357.77 and 11,713.61 is: 16,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.93 : 29,357.77 = 11,713.61 : x
  2. Step 2: Convert to fraction form
    21,273.93/29,357.77 = 11,713.61/x
  3. Step 3: Cross multiply
    21,273.93x = 29,357.77 × 11,713.61
  4. Step 4: Simplify right side
    21,273.93x = 343,885,607.63
  5. Step 5: Solve for x
    x = 343,885,607.63/21,273.93
  6. Step 6: Final answer
    x = 16,164.65

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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.