Home / 21,180.58-29,216.48-14,010.66

Finding the Fourth Proportional to 21,180.58, 29,216.48 and 14,010.66

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Solution

The fourth proportional to 21,180.58, 29,216.48 and 14,010.66 is: 19,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,180.58 : 29,216.48 = 14,010.66 : x
  2. Step 2: Convert to fraction form
    21,180.58/29,216.48 = 14,010.66/x
  3. Step 3: Cross multiply
    21,180.58x = 29,216.48 × 14,010.66
  4. Step 4: Simplify right side
    21,180.58x = 409,342,167.68
  5. Step 5: Solve for x
    x = 409,342,167.68/21,180.58
  6. Step 6: Final answer
    x = 19,326.30

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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.