Home / 14,172.12-21,257.64-5,850

Finding the Fourth Proportional to 14,172.12, 21,257.64 and 5,850

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Solution

The fourth proportional to 14,172.12, 21,257.64 and 5,850 is: 8,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.12 : 21,257.64 = 5,850 : x
  2. Step 2: Convert to fraction form
    14,172.12/21,257.64 = 5,850/x
  3. Step 3: Cross multiply
    14,172.12x = 21,257.64 × 5,850
  4. Step 4: Simplify right side
    14,172.12x = 124,357,194
  5. Step 5: Solve for x
    x = 124,357,194/14,172.12
  6. Step 6: Final answer
    x = 8,774.78

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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.