Home / 14,478.50-21,717.84-4,090.34

Finding the Fourth Proportional to 14,478.50, 21,717.84 and 4,090.34

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Solution

The fourth proportional to 14,478.50, 21,717.84 and 4,090.34 is: 6,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.50 : 21,717.84 = 4,090.34 : x
  2. Step 2: Convert to fraction form
    14,478.50/21,717.84 = 4,090.34/x
  3. Step 3: Cross multiply
    14,478.50x = 21,717.84 × 4,090.34
  4. Step 4: Simplify right side
    14,478.50x = 88,833,349.67
  5. Step 5: Solve for x
    x = 88,833,349.67/14,478.50
  6. Step 6: Final answer
    x = 6,135.54

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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.