Home / 21,442.10-29,588.94-11,881.71

Finding the Fourth Proportional to 21,442.10, 29,588.94 and 11,881.71

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Solution

The fourth proportional to 21,442.10, 29,588.94 and 11,881.71 is: 16,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.10 : 29,588.94 = 11,881.71 : x
  2. Step 2: Convert to fraction form
    21,442.10/29,588.94 = 11,881.71/x
  3. Step 3: Cross multiply
    21,442.10x = 29,588.94 × 11,881.71
  4. Step 4: Simplify right side
    21,442.10x = 351,567,204.29
  5. Step 5: Solve for x
    x = 351,567,204.29/21,442.10
  6. Step 6: Final answer
    x = 16,396.12

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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.