Home / 21,235.27-29,305.02-11,675.56

Finding the Fourth Proportional to 21,235.27, 29,305.02 and 11,675.56

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Solution

The fourth proportional to 21,235.27, 29,305.02 and 11,675.56 is: 16,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235.27 : 29,305.02 = 11,675.56 : x
  2. Step 2: Convert to fraction form
    21,235.27/29,305.02 = 11,675.56/x
  3. Step 3: Cross multiply
    21,235.27x = 29,305.02 × 11,675.56
  4. Step 4: Simplify right side
    21,235.27x = 342,152,519.31
  5. Step 5: Solve for x
    x = 342,152,519.31/21,235.27
  6. Step 6: Final answer
    x = 16,112.46

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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.