Home / 21,273.50-29,357.43-11,841.86

Finding the Fourth Proportional to 21,273.50, 29,357.43 and 11,841.86

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Solution

The fourth proportional to 21,273.50, 29,357.43 and 11,841.86 is: 16,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.50 : 29,357.43 = 11,841.86 : x
  2. Step 2: Convert to fraction form
    21,273.50/29,357.43 = 11,841.86/x
  3. Step 3: Cross multiply
    21,273.50x = 29,357.43 × 11,841.86
  4. Step 4: Simplify right side
    21,273.50x = 347,646,576.02
  5. Step 5: Solve for x
    x = 347,646,576.02/21,273.50
  6. Step 6: Final answer
    x = 16,341.77

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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.