Home / 9,933.60-14,900.40-7,179.60

Finding the Fourth Proportional to 9,933.60, 14,900.40 and 7,179.60

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Solution

The fourth proportional to 9,933.60, 14,900.40 and 7,179.60 is: 10,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.60 : 14,900.40 = 7,179.60 : x
  2. Step 2: Convert to fraction form
    9,933.60/14,900.40 = 7,179.60/x
  3. Step 3: Cross multiply
    9,933.60x = 14,900.40 × 7,179.60
  4. Step 4: Simplify right side
    9,933.60x = 106,978,911.84
  5. Step 5: Solve for x
    x = 106,978,911.84/9,933.60
  6. Step 6: Final answer
    x = 10,769.40

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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.