Home / 21,213.41-29,274.73-11,653.52

Finding the Fourth Proportional to 21,213.41, 29,274.73 and 11,653.52

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Solution

The fourth proportional to 21,213.41, 29,274.73 and 11,653.52 is: 16,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,213.41 : 29,274.73 = 11,653.52 : x
  2. Step 2: Convert to fraction form
    21,213.41/29,274.73 = 11,653.52/x
  3. Step 3: Cross multiply
    21,213.41x = 29,274.73 × 11,653.52
  4. Step 4: Simplify right side
    21,213.41x = 341,153,476.04
  5. Step 5: Solve for x
    x = 341,153,476.04/21,213.41
  6. Step 6: Final answer
    x = 16,081.98

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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.