Home / 13,802.96-20,699.58-4,442.60

Finding the Fourth Proportional to 13,802.96, 20,699.58 and 4,442.60

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Solution

The fourth proportional to 13,802.96, 20,699.58 and 4,442.60 is: 6,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.96 : 20,699.58 = 4,442.60 : x
  2. Step 2: Convert to fraction form
    13,802.96/20,699.58 = 4,442.60/x
  3. Step 3: Cross multiply
    13,802.96x = 20,699.58 × 4,442.60
  4. Step 4: Simplify right side
    13,802.96x = 91,959,954.11
  5. Step 5: Solve for x
    x = 91,959,954.11/13,802.96
  6. Step 6: Final answer
    x = 6,662.34

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1.5x scale

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.