Home / 14,744.89-22,127.60-6,420.62

Finding the Fourth Proportional to 14,744.89, 22,127.60 and 6,420.62

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Solution

The fourth proportional to 14,744.89, 22,127.60 and 6,420.62 is: 9,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.89 : 22,127.60 = 6,420.62 : x
  2. Step 2: Convert to fraction form
    14,744.89/22,127.60 = 6,420.62/x
  3. Step 3: Cross multiply
    14,744.89x = 22,127.60 × 6,420.62
  4. Step 4: Simplify right side
    14,744.89x = 142,072,816.53
  5. Step 5: Solve for x
    x = 142,072,816.53/14,744.89
  6. Step 6: Final answer
    x = 9,635.40

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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.