Home / 21,473.66-29,635.35-11,914.49

Finding the Fourth Proportional to 21,473.66, 29,635.35 and 11,914.49

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Solution

The fourth proportional to 21,473.66, 29,635.35 and 11,914.49 is: 16,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.66 : 29,635.35 = 11,914.49 : x
  2. Step 2: Convert to fraction form
    21,473.66/29,635.35 = 11,914.49/x
  3. Step 3: Cross multiply
    21,473.66x = 29,635.35 × 11,914.49
  4. Step 4: Simplify right side
    21,473.66x = 353,090,081.22
  5. Step 5: Solve for x
    x = 353,090,081.22/21,473.66
  6. Step 6: Final answer
    x = 16,442.94

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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.