Home / 20,459.00-30,683.37-14,518.56

Finding the Fourth Proportional to 20,459.00, 30,683.37 and 14,518.56

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Solution

The fourth proportional to 20,459.00, 30,683.37 and 14,518.56 is: 21,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.00 : 30,683.37 = 14,518.56 : x
  2. Step 2: Convert to fraction form
    20,459.00/30,683.37 = 14,518.56/x
  3. Step 3: Cross multiply
    20,459.00x = 30,683.37 × 14,518.56
  4. Step 4: Simplify right side
    20,459.00x = 445,478,517.85
  5. Step 5: Solve for x
    x = 445,478,517.85/20,459.00
  6. Step 6: Final answer
    x = 21,774.21

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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.