Home / 21,373.66-29,495.73-11,942.38

Finding the Fourth Proportional to 21,373.66, 29,495.73 and 11,942.38

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Solution

The fourth proportional to 21,373.66, 29,495.73 and 11,942.38 is: 16,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.66 : 29,495.73 = 11,942.38 : x
  2. Step 2: Convert to fraction form
    21,373.66/29,495.73 = 11,942.38/x
  3. Step 3: Cross multiply
    21,373.66x = 29,495.73 × 11,942.38
  4. Step 4: Simplify right side
    21,373.66x = 352,249,216.04
  5. Step 5: Solve for x
    x = 352,249,216.04/21,373.66
  6. Step 6: Final answer
    x = 16,480.53

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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.