Home / 13,330.60-18,396.12-7,362.22

Finding the Fourth Proportional to 13,330.60, 18,396.12 and 7,362.22

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Solution

The fourth proportional to 13,330.60, 18,396.12 and 7,362.22 is: 10,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.60 : 18,396.12 = 7,362.22 : x
  2. Step 2: Convert to fraction form
    13,330.60/18,396.12 = 7,362.22/x
  3. Step 3: Cross multiply
    13,330.60x = 18,396.12 × 7,362.22
  4. Step 4: Simplify right side
    13,330.60x = 135,436,282.59
  5. Step 5: Solve for x
    x = 135,436,282.59/13,330.60
  6. Step 6: Final answer
    x = 10,159.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.