Home / 13,362.96-20,033.40-7,802.64

Finding the Fourth Proportional to 13,362.96, 20,033.40 and 7,802.64

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Solution

The fourth proportional to 13,362.96, 20,033.40 and 7,802.64 is: 11,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.96 : 20,033.40 = 7,802.64 : x
  2. Step 2: Convert to fraction form
    13,362.96/20,033.40 = 7,802.64/x
  3. Step 3: Cross multiply
    13,362.96x = 20,033.40 × 7,802.64
  4. Step 4: Simplify right side
    13,362.96x = 156,313,408.18
  5. Step 5: Solve for x
    x = 156,313,408.18/13,362.96
  6. Step 6: Final answer
    x = 11,697.51

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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.