Home / 14,569.40-21,837.90-8,000.30

Finding the Fourth Proportional to 14,569.40, 21,837.90 and 8,000.30

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Solution

The fourth proportional to 14,569.40, 21,837.90 and 8,000.30 is: 11,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.40 : 21,837.90 = 8,000.30 : x
  2. Step 2: Convert to fraction form
    14,569.40/21,837.90 = 8,000.30/x
  3. Step 3: Cross multiply
    14,569.40x = 21,837.90 × 8,000.30
  4. Step 4: Simplify right side
    14,569.40x = 174,709,751.37
  5. Step 5: Solve for x
    x = 174,709,751.37/14,569.40
  6. Step 6: Final answer
    x = 11,991.55

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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.