Home / 21,504.82-29,686.65-14,346.64

Finding the Fourth Proportional to 21,504.82, 29,686.65 and 14,346.64

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Solution

The fourth proportional to 21,504.82, 29,686.65 and 14,346.64 is: 19,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.82 : 29,686.65 = 14,346.64 : x
  2. Step 2: Convert to fraction form
    21,504.82/29,686.65 = 14,346.64/x
  3. Step 3: Cross multiply
    21,504.82x = 29,686.65 × 14,346.64
  4. Step 4: Simplify right side
    21,504.82x = 425,903,680.36
  5. Step 5: Solve for x
    x = 425,903,680.36/21,504.82
  6. Step 6: Final answer
    x = 19,805.03

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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.