Home / 21,666.52-29,881.08-14,110

Finding the Fourth Proportional to 21,666.52, 29,881.08 and 14,110

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Solution

The fourth proportional to 21,666.52, 29,881.08 and 14,110 is: 19,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.52 : 29,881.08 = 14,110 : x
  2. Step 2: Convert to fraction form
    21,666.52/29,881.08 = 14,110/x
  3. Step 3: Cross multiply
    21,666.52x = 29,881.08 × 14,110
  4. Step 4: Simplify right side
    21,666.52x = 421,622,038.80
  5. Step 5: Solve for x
    x = 421,622,038.80/21,666.52
  6. Step 6: Final answer
    x = 19,459.61

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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.