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Finding the Fourth Proportional to 14,390.94, 21,579.04 and 6,593.07

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Solution

The fourth proportional to 14,390.94, 21,579.04 and 6,593.07 is: 9,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.94 : 21,579.04 = 6,593.07 : x
  2. Step 2: Convert to fraction form
    14,390.94/21,579.04 = 6,593.07/x
  3. Step 3: Cross multiply
    14,390.94x = 21,579.04 × 6,593.07
  4. Step 4: Simplify right side
    14,390.94x = 142,272,121.25
  5. Step 5: Solve for x
    x = 142,272,121.25/14,390.94
  6. Step 6: Final answer
    x = 9,886.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.